102072764421650 has 24 divisors (see below), whose sum is σ = 207114918354864. Its totient is φ = 37117368880400.

The previous prime is 102072764421629. The next prime is 102072764421673. The reversal of 102072764421650 is 56124467270201.

It is a junction number, because it is equal to n+sod(n) for n = 102072764421595 and 102072764421604.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92793421652 + ... + 92793422751.

It is an arithmetic number, because the mean of its divisors is an integer number (8629788264786).

Almost surely, 2^{102072764421650} is an apocalyptic number.

102072764421650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102072764421650 is an abundant number, since it is smaller than the sum of its proper divisors (105042153933214).

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

102072764421650 is a wasteful number, since it uses less digits than its factorization.

102072764421650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185586844426 (or 185586844421 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 47.

The spelling of 102072764421650 in words is "one hundred two trillion, seventy-two billion, seven hundred sixty-four million, four hundred twenty-one thousand, six hundred fifty".