165610666962 has 32 divisors (see below), whose sum is σ = 396333221760. Its totient is φ = 50957128080.

The previous prime is 165610666957. The next prime is 165610667021. The reversal of 165610666962 is 269666016561.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 165610666899 and 165610666908.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117955614 + ... + 117957017.

It is an arithmetic number, because the mean of its divisors is an integer number (12385413180).

Almost surely, 2^165610666962 is an apocalyptic number.

165610666962 is an abundant number, since it is smaller than the sum of its proper divisors (230722554798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165610666962 is a wasteful number, since it uses less digits than its factorization.

165610666962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235912655 (or 235912649 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 54.

The spelling of 165610666962 in words is "one hundred sixty-five billion, six hundred ten million, six hundred sixty-six thousand, nine hundred sixty-two".