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164511916601 = 548512999251
BaseRepresentation
bin1001100100110110101…
…1001010001000111001
3120201122010012021000012
42121031223022020321
510143410022312401
6203324205151305
714612521135004
oct2311553121071
9521563167005
10164511916601
116385076295a
1227a7285b535
1312689c56466
147d68c4253b
15442cb318bb
hex264daca239

164511916601 has 4 divisors (see below), whose sum is σ = 164514970704. Its totient is φ = 164508862500.

The previous prime is 164511916511. The next prime is 164511916663. The reversal of 164511916601 is 106619115461.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 106619115461 = 280138064661.

It is a cyclic number.

It is not a de Polignac number, because 164511916601 - 234 = 147332047417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164511919601) 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, 1444775 + ... + 1554476.

It is an arithmetic number, because the mean of its divisors is an integer number (41128742676).

Almost surely, 2164511916601 is an apocalyptic number.

It is an amenable number.

164511916601 is a deficient number, since it is larger than the sum of its proper divisors (3054103).

164511916601 is an equidigital number, since it uses as much as digits as its factorization.

164511916601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3054102.

The product of its (nonzero) digits is 38880, while the sum is 41.

The spelling of 164511916601 in words is "one hundred sixty-four billion, five hundred eleven million, nine hundred sixteen thousand, six hundred one".

Divisors: 1 54851 2999251 164511916601