102663506256 has 40 divisors (see below), whose sum is σ = 266747108640. Its totient is φ = 34023355776.

The previous prime is 102663506233. The next prime is 102663506269. The reversal of 102663506256 is 652605366201.

It is a super-2 number, since 2×102663506256² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6173266 + ... + 6189873.

It is an arithmetic number, because the mean of its divisors is an integer number (6668677716).

Almost surely, 2^102663506256 is an apocalyptic number.

102663506256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

102663506256 is an abundant number, since it is smaller than the sum of its proper divisors (164083602384).

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

102663506256 is a wasteful number, since it uses less digits than its factorization.

102663506256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12363323 (or 12363317 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 102663506256 in words is "one hundred two billion, six hundred sixty-three million, five hundred six thousand, two hundred fifty-six".