21607119268 has 36 divisors (see below), whose sum is σ = 43615008192. Its totient is φ = 9175096800.

The previous prime is 21607119253. The next prime is 21607119283. The reversal of 21607119268 is 86291170612.

It is an interprime number because it is at equal distance from previous prime (21607119253) and next prime (21607119283).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 300193 + ... + 365143.

Almost surely, 2^21607119268 is an apocalyptic number.

21607119268 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

21607119268 is an abundant number, since it is smaller than the sum of its proper divisors (22007888924).

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

21607119268 is a wasteful number, since it uses less digits than its factorization.

21607119268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65180 (or 65069 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 43.

The spelling of 21607119268 in words is "twenty-one billion, six hundred seven million, one hundred nineteen thousand, two hundred sixty-eight".