216164370458402 has 16 divisors (see below), whose sum is σ = 331073171320320. Its totient is φ = 105830227395552.

The previous prime is 216164370458347. The next prime is 216164370458437. The reversal of 216164370458402 is 204854073461612.

It is a super-2 number, since 2×216164370458402² (a number of 29 digits) contains 22 as substring.

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, 5895159218 + ... + 5895195885.

It is an arithmetic number, because the mean of its divisors is an integer number (20692073207520).

Almost surely, 2^{216164370458402} is an apocalyptic number.

216164370458402 is a deficient number, since it is larger than the sum of its proper divisors (114908800861918).

216164370458402 is a wasteful number, since it uses less digits than its factorization.

216164370458402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11790355297.

The product of its (nonzero) digits is 7741440, while the sum is 53.

The spelling of 216164370458402 in words is "two hundred sixteen trillion, one hundred sixty-four billion, three hundred seventy million, four hundred fifty-eight thousand, four hundred two".