208956258732150 has 72 divisors (see below), whose sum is σ = 561430775476584. Its totient is φ = 55718198985600.

The previous prime is 208956258732149. The next prime is 208956258732157. The reversal of 208956258732150 is 51237852659802.

It is a happy number.

208956258732150 is a `hidden beast` number, since 2 + 0 + 8 + 9 + 5 + 6 + 2 + 587 + 32 + 15 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208956258732157) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 7220191 + ... + 21680490.

It is an arithmetic number, because the mean of its divisors is an integer number (7797649659397).

Almost surely, 2^{208956258732150} is an apocalyptic number.

208956258732150 is an abundant number, since it is smaller than the sum of its proper divisors (352474516744434).

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

208956258732150 is a wasteful number, since it uses less digits than its factorization.

208956258732150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28916766 (or 28916758 counting only the distinct ones).

The product of its (nonzero) digits is 72576000, while the sum is 63.

The spelling of 208956258732150 in words is "two hundred eight trillion, nine hundred fifty-six billion, two hundred fifty-eight million, seven hundred thirty-two thousand, one hundred fifty".