21163160404533 has 32 divisors (see below), whose sum is σ = 34773870781440. Its totient is φ = 11177315591040.

The previous prime is 21163160404511. The next prime is 21163160404543. The reversal of 21163160404533 is 33540406136112.

It is not a de Polignac number, because 21163160404533 - 2⁵ = 21163160404501 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21163160404491 and 21163160404500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21163160404543) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 646819035 + ... + 646851752.

It is an arithmetic number, because the mean of its divisors is an integer number (1086683461920).

Almost surely, 2^{21163160404533} is an apocalyptic number.

It is an amenable number.

21163160404533 is a deficient number, since it is larger than the sum of its proper divisors (13610710376907).

21163160404533 is a wasteful number, since it uses less digits than its factorization.

21163160404533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1293670857.

The product of its (nonzero) digits is 155520, while the sum is 39.

The spelling of 21163160404533 in words is "twenty-one trillion, one hundred sixty-three billion, one hundred sixty million, four hundred four thousand, five hundred thirty-three".