165077651361 has 8 divisors (see below), whose sum is σ = 251546897344. Its totient is φ = 94330086480.

The previous prime is 165077651357. The next prime is 165077651369. The reversal of 165077651361 is 163156770561.

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

It is not a de Polignac number, because 165077651361 - 2² = 165077651357 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 165077651361.

It is not an unprimeable number, because it can be changed into a prime (165077651369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3930420250 + ... + 3930420291.

It is an arithmetic number, because the mean of its divisors is an integer number (31443362168).

Almost surely, 2^165077651361 is an apocalyptic number.

It is an amenable number.

165077651361 is a deficient number, since it is larger than the sum of its proper divisors (86469245983).

165077651361 is an equidigital number, since it uses as much as digits as its factorization.

165077651361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7860840551.

The product of its (nonzero) digits is 793800, while the sum is 48.

The spelling of 165077651361 in words is "one hundred sixty-five billion, seventy-seven million, six hundred fifty-one thousand, three hundred sixty-one".