21232167490248 has 128 divisors (see below), whose sum is σ = 62499103632000. Its totient is φ = 5925840076800.

The previous prime is 21232167490169. The next prime is 21232167490271. The reversal of 21232167490248 is 84209476123212.

It is a self number, because there is not a number n which added to its sum of digits gives 21232167490248.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5348263 + ... + 8430198.

It is an arithmetic number, because the mean of its divisors is an integer number (488274247125).

Almost surely, 2^{21232167490248} is an apocalyptic number.

It is an amenable number.

21232167490248 is an abundant number, since it is smaller than the sum of its proper divisors (41266936141752).

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

21232167490248 is a wasteful number, since it uses less digits than its factorization.

21232167490248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13778943 (or 13778939 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 51.

The spelling of 21232167490248 in words is "twenty-one trillion, two hundred thirty-two billion, one hundred sixty-seven million, four hundred ninety thousand, two hundred forty-eight".