165194430904 has 8 divisors (see below), whose sum is σ = 309739557960. Its totient is φ = 82597215448.

The previous prime is 165194430883. The next prime is 165194430997. The reversal of 165194430904 is 409034491561.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10324651924 + ... + 10324651939.

It is an arithmetic number, because the mean of its divisors is an integer number (38717444745).

Almost surely, 2^165194430904 is an apocalyptic number.

It is an amenable number.

165194430904 is a deficient number, since it is larger than the sum of its proper divisors (144545127056).

165194430904 is a wasteful number, since it uses less digits than its factorization.

165194430904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20649303869 (or 20649303865 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 46.

The spelling of 165194430904 in words is "one hundred sixty-five billion, one hundred ninety-four million, four hundred thirty thousand, nine hundred four".