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164080671 = 354693557
BaseRepresentation
bin10011100011110…
…10110000011111
3102102202011100220
421301322300133
5314001040141
624140452423
74031443206
oct1161726037
9372664326
10164080671
118468a267
1246b4a113
1327cbbc71
1417b1223d
15e611766
hex9c7ac1f

164080671 has 4 divisors (see below), whose sum is σ = 218774232. Its totient is φ = 109387112.

The previous prime is 164080669. The next prime is 164080699. The reversal of 164080671 is 176080461.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 164080671 - 21 = 164080669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164080601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27346776 + ... + 27346781.

It is an arithmetic number, because the mean of its divisors is an integer number (54693558).

Almost surely, 2164080671 is an apocalyptic number.

164080671 is a deficient number, since it is larger than the sum of its proper divisors (54693561).

164080671 is an equidigital number, since it uses as much as digits as its factorization.

164080671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54693560.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 164080671 is about 12809.3977610191. The cubic root of 164080671 is about 547.4601025951.

The spelling of 164080671 in words is "one hundred sixty-four million, eighty thousand, six hundred seventy-one".

Divisors: 1 3 54693557 164080671