21167667800232 has 32 divisors (see below), whose sum is σ = 54349417327200. Its totient is φ = 6865189556544.

The previous prime is 21167667800231. The next prime is 21167667800233. The reversal of 21167667800232 is 23200876676112.

It is a happy number.

21167667800232 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (21167667800231) and next prime (21167667800233).

It is not an unprimeable number, because it can be changed into a prime (21167667800231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11918730982 + ... + 11918732757.

It is an arithmetic number, because the mean of its divisors is an integer number (1698419291475).

Almost surely, 2^{21167667800232} is an apocalyptic number.

It is an amenable number.

21167667800232 is an abundant number, since it is smaller than the sum of its proper divisors (33181749526968).

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

21167667800232 is a wasteful number, since it uses less digits than its factorization.

21167667800232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23837463785 (or 23837463781 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 51.

The spelling of 21167667800232 in words is "twenty-one trillion, one hundred sixty-seven billion, six hundred sixty-seven million, eight hundred thousand, two hundred thirty-two".