21160146262256 has 20 divisors (see below), whose sum is σ = 41491732583112. Its totient is φ = 10452602369856.

The previous prime is 21160146262201. The next prime is 21160146262261. The reversal of 21160146262256 is 65226264106112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7966921211 + ... + 7966923866.

Almost surely, 2^{21160146262256} is an apocalyptic number.

It is an amenable number.

21160146262256 is a deficient number, since it is larger than the sum of its proper divisors (20331586320856).

21160146262256 is a wasteful number, since it uses less digits than its factorization.

21160146262256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15933845168 (or 15933845162 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 21160146262256 in words is "twenty-one trillion, one hundred sixty billion, one hundred forty-six million, two hundred sixty-two thousand, two hundred fifty-six".