21616050144462 has 16 divisors (see below), whose sum is σ = 43235075217360. Its totient is φ = 7204854226752.

The previous prime is 21616050144457. The next prime is 21616050144527. The reversal of 21616050144462 is 26444105061612.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123860887 + ... + 124035282.

It is an arithmetic number, because the mean of its divisors is an integer number (2702192201085).

Almost surely, 2^{21616050144462} is an apocalyptic number.

21616050144462 is an abundant number, since it is smaller than the sum of its proper divisors (21619025072898).

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

21616050144462 is a wasteful number, since it uses less digits than its factorization.

21616050144462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247910707.

The product of its (nonzero) digits is 276480, while the sum is 42.

The spelling of 21616050144462 in words is "twenty-one trillion, six hundred sixteen billion, fifty million, one hundred forty-four thousand, four hundred sixty-two".