21160634462 has 64 divisors (see below), whose sum is σ = 35710875648. Its totient is φ = 9322560000.

The previous prime is 21160634431. The next prime is 21160634471. The reversal of 21160634462 is 26443606112.

It is a congruent number.

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, 52769462 + ... + 52769862.

It is an arithmetic number, because the mean of its divisors is an integer number (557982432).

Almost surely, 2^21160634462 is an apocalyptic number.

21160634462 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21160634462 is a deficient number, since it is larger than the sum of its proper divisors (14550241186).

21160634462 is a wasteful number, since it uses less digits than its factorization.

21160634462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905.

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 21160634462 in words is "twenty-one billion, one hundred sixty million, six hundred thirty-four thousand, four hundred sixty-two".