2165073155328 has 72 divisors (see below), whose sum is σ = 5896257941728. Its totient is φ = 704907528192.

The previous prime is 2165073155309. The next prime is 2165073155341. The reversal of 2165073155328 is 8235513705612.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32747275 + ... + 32813322.

Almost surely, 2^{2165073155328} is an apocalyptic number.

It is an amenable number.

2165073155328 is an abundant number, since it is smaller than the sum of its proper divisors (3731184786400).

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

2165073155328 is an equidigital number, since it uses as much as digits as its factorization.

2165073155328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65560659 (or 65560645 counting only the distinct ones).

The product of its (nonzero) digits is 1512000, while the sum is 48.

The spelling of 2165073155328 in words is "two trillion, one hundred sixty-five billion, seventy-three million, one hundred fifty-five thousand, three hundred twenty-eight".