21601630674202 has 32 divisors (see below), whose sum is σ = 35517258846720. Its totient is φ = 9809204298240.

The previous prime is 21601630674181. The next prime is 21601630674209. The reversal of 21601630674202 is 20247603610612.

It is not an unprimeable number, because it can be changed into a prime (21601630674209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29165827 + ... + 29897302.

It is an arithmetic number, because the mean of its divisors is an integer number (1109914338960).

Almost surely, 2^{21601630674202} is an apocalyptic number.

21601630674202 is a deficient number, since it is larger than the sum of its proper divisors (13915628172518).

21601630674202 is a wasteful number, since it uses less digits than its factorization.

21601630674202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59063526.

The product of its (nonzero) digits is 145152, while the sum is 40.

The spelling of 21601630674202 in words is "twenty-one trillion, six hundred one billion, six hundred thirty million, six hundred seventy-four thousand, two hundred two".