21616250446002 has 16 divisors (see below), whose sum is σ = 43236029358720. Its totient is φ = 7204828737552.

The previous prime is 21616250445971. The next prime is 21616250446031. The reversal of 21616250446002 is 20064405261612.

It is a super-4 number, since 4×21616250446002⁴ (a number of 54 digits) contains 4444 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, 146939802 + ... + 147086837.

It is an arithmetic number, because the mean of its divisors is an integer number (2702251834920).

Almost surely, 2^{21616250446002} is an apocalyptic number.

21616250446002 is an abundant number, since it is smaller than the sum of its proper divisors (21619778912718).

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

21616250446002 is a wasteful number, since it uses less digits than its factorization.

21616250446002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294038897.

The product of its (nonzero) digits is 138240, while the sum is 39.

The spelling of 21616250446002 in words is "twenty-one trillion, six hundred sixteen billion, two hundred fifty million, four hundred forty-six thousand, two".