21163155133462 has 16 divisors (see below), whose sum is σ = 32257385308512. Its totient is φ = 10411954502400.

The previous prime is 21163155133459. The next prime is 21163155133499. The reversal of 21163155133462 is 26433155136112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315250914 + ... + 315318037.

It is an arithmetic number, because the mean of its divisors is an integer number (2016086581782).

Almost surely, 2^{21163155133462} is an apocalyptic number.

21163155133462 is a deficient number, since it is larger than the sum of its proper divisors (11094230175050).

21163155133462 is a wasteful number, since it uses less digits than its factorization.

21163155133462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630569223.

The product of its digits is 388800, while the sum is 43.

The spelling of 21163155133462 in words is "twenty-one trillion, one hundred sixty-three billion, one hundred fifty-five million, one hundred thirty-three thousand, four hundred sixty-two".