165454615328 has 24 divisors (see below), whose sum is σ = 325842809292. Its totient is φ = 82700886016.

The previous prime is 165454615309. The next prime is 165454615393. The reversal of 165454615328 is 823516454561.

It can be written as a sum of positive squares in 2 ways, for example, as 165443935504 + 10679824 = 406748^2 + 3268^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 723725 + ... + 924492.

Almost surely, 2^165454615328 is an apocalyptic number.

It is an amenable number.

165454615328 is a deficient number, since it is larger than the sum of its proper divisors (160388193964).

165454615328 is a wasteful number, since it uses less digits than its factorization.

165454615328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1651364 (or 1651356 counting only the distinct ones).

The product of its digits is 3456000, while the sum is 50.

The spelling of 165454615328 in words is "one hundred sixty-five billion, four hundred fifty-four million, six hundred fifteen thousand, three hundred twenty-eight".