168020065955 has 32 divisors (see below), whose sum is σ = 232627401600. Its totient is φ = 114114604032.

The previous prime is 168020065921. The next prime is 168020065963. The reversal of 168020065955 is 559560020861.

It is a cyclic number.

It is not a de Polignac number, because 168020065955 - 2⁸ = 168020065699 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13090481 + ... + 13103309.

It is an arithmetic number, because the mean of its divisors is an integer number (7269606300).

Almost surely, 2^168020065955 is an apocalyptic number.

168020065955 is a deficient number, since it is larger than the sum of its proper divisors (64607335645).

168020065955 is a wasteful number, since it uses less digits than its factorization.

168020065955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16383.

The product of its (nonzero) digits is 648000, while the sum is 47.

The spelling of 168020065955 in words is "one hundred sixty-eight billion, twenty million, sixty-five thousand, nine hundred fifty-five".