2170203514656 has 96 divisors (see below), whose sum is σ = 5730645811968. Its totient is φ = 719113451520.

The previous prime is 2170203514643. The next prime is 2170203514663. The reversal of 2170203514656 is 6564153020712.

It is a tau number, because it is divible by the number of its divisors (96).

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, 11366476 + ... + 11555828.

It is an arithmetic number, because the mean of its divisors is an integer number (59694227208).

Almost surely, 2^{2170203514656} is an apocalyptic number.

It is an amenable number.

2170203514656 is an abundant number, since it is smaller than the sum of its proper divisors (3560442297312).

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

2170203514656 is a wasteful number, since it uses less digits than its factorization.

2170203514656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190074 (or 190066 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 42.

The spelling of 2170203514656 in words is "two trillion, one hundred seventy billion, two hundred three million, five hundred fourteen thousand, six hundred fifty-six".