21322465046156 has 6 divisors (see below), whose sum is σ = 37314313830780. Its totient is φ = 10661232523076.

The previous prime is 21322465046089. The next prime is 21322465046167. The reversal of 21322465046156 is 65164056422312.

It is a self number, because there is not a number n which added to its sum of digits gives 21322465046156.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2665308130766 + ... + 2665308130773.

It is an arithmetic number, because the mean of its divisors is an integer number (6219052305130).

Almost surely, 2^{21322465046156} is an apocalyptic number.

It is an amenable number.

21322465046156 is a deficient number, since it is larger than the sum of its proper divisors (15991848784624).

21322465046156 is a wasteful number, since it uses less digits than its factorization.

21322465046156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5330616261543 (or 5330616261541 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 47.

The spelling of 21322465046156 in words is "twenty-one trillion, three hundred twenty-two billion, four hundred sixty-five million, forty-six thousand, one hundred fifty-six".