163651055302256 has 20 divisors (see below), whose sum is σ = 317270982420000. Its totient is φ = 81774672742272.

The previous prime is 163651055302223. The next prime is 163651055302277. The reversal of 163651055302256 is 652203550156361.

It is a happy number.

163651055302256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3178405256 + ... + 3178456743.

It is an arithmetic number, because the mean of its divisors is an integer number (15863549121000).

Almost surely, 2^{163651055302256} is an apocalyptic number.

163651055302256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

163651055302256 is a deficient number, since it is larger than the sum of its proper divisors (153619927117744).

163651055302256 is a wasteful number, since it uses less digits than its factorization.

163651055302256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6356863616 (or 6356863610 counting only the distinct ones).

The product of its (nonzero) digits is 4860000, while the sum is 50.

The spelling of 163651055302256 in words is "one hundred sixty-three trillion, six hundred fifty-one billion, fifty-five million, three hundred two thousand, two hundred fifty-six".