21622073034156 has 96 divisors (see below), whose sum is σ = 61086039985152. Its totient is φ = 5810959841280.

The previous prime is 21622073034151. The next prime is 21622073034167. The reversal of 21622073034156 is 65143037022612.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (21622073034151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1941456 + ... + 6856631.

It is an arithmetic number, because the mean of its divisors is an integer number (636312916512).

Almost surely, 2^{21622073034156} is an apocalyptic number.

It is an amenable number.

21622073034156 is an abundant number, since it is smaller than the sum of its proper divisors (39463966950996).

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

21622073034156 is a wasteful number, since it uses less digits than its factorization.

21622073034156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8799839 (or 8799837 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 42.

The spelling of 21622073034156 in words is "twenty-one trillion, six hundred twenty-two billion, seventy-three million, thirty-four thousand, one hundred fifty-six".