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1690466624161 = 7655136863873
BaseRepresentation
bin11000100110010111101…
…010011010001010100001
312222121101112012011002221
4120212113222122022201
5210144033423433121
63332331210311041
7233063224135630
oct30462752321241
95877345164087
101690466624161
115a1a17380187
12233759a28481
13c3544615993
145bb67573517
152de8d8d4b41
hex18997a9a2a1

1690466624161 has 8 divisors (see below), whose sum is σ = 1932256819584. Its totient is φ = 1448750169600.

The previous prime is 1690466624137. The next prime is 1690466624173. The reversal of 1690466624161 is 1614266640961.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1690466624161 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1690466624099 and 1690466624108.

It is not an unprimeable number, because it can be changed into a prime (1690466624101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18386080 + ... + 18477793.

It is an arithmetic number, because the mean of its divisors is an integer number (241532102448).

Almost surely, 21690466624161 is an apocalyptic number.

It is an amenable number.

1690466624161 is a deficient number, since it is larger than the sum of its proper divisors (241790195423).

1690466624161 is an equidigital number, since it uses as much as digits as its factorization.

1690466624161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36870431.

The product of its (nonzero) digits is 2239488, while the sum is 52.

The spelling of 1690466624161 in words is "one trillion, six hundred ninety billion, four hundred sixty-six million, six hundred twenty-four thousand, one hundred sixty-one".

Divisors: 1 7 6551 45857 36863873 258047111 241495232023 1690466624161