21467267661232 has 20 divisors (see below), whose sum is σ = 43027066649520. Its totient is φ = 10363508525888.

The previous prime is 21467267661193. The next prime is 21467267661251. The reversal of 21467267661232 is 23216676276412.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23132831068 + ... + 23132831995.

It is an arithmetic number, because the mean of its divisors is an integer number (2151353332476).

Almost surely, 2^{21467267661232} is an apocalyptic number.

It is an amenable number.

21467267661232 is an abundant number, since it is smaller than the sum of its proper divisors (21559798988288).

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

21467267661232 is a wasteful number, since it uses less digits than its factorization.

21467267661232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46265663100 (or 46265663094 counting only the distinct ones).

The product of its digits is 12192768, while the sum is 55.

The spelling of 21467267661232 in words is "twenty-one trillion, four hundred sixty-seven billion, two hundred sixty-seven million, six hundred sixty-one thousand, two hundred thirty-two".