21614118258 has 64 divisors (see below), whose sum is σ = 43952388480. Its totient is φ = 7085491200.

The previous prime is 21614118247. The next prime is 21614118269. The reversal of 21614118258 is 85281141612.

It is an interprime number because it is at equal distance from previous prime (21614118247) and next prime (21614118269).

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, 70404141 + ... + 70404447.

It is an arithmetic number, because the mean of its divisors is an integer number (686756070).

Almost surely, 2^21614118258 is an apocalyptic number.

21614118258 is an abundant number, since it is smaller than the sum of its proper divisors (22338270222).

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

21614118258 is a wasteful number, since it uses less digits than its factorization.

21614118258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003.

The product of its digits is 30720, while the sum is 39.

The spelling of 21614118258 in words is "twenty-one billion, six hundred fourteen million, one hundred eighteen thousand, two hundred fifty-eight".