208156900832 has 12 divisors (see below), whose sum is σ = 409808898576. Its totient is φ = 104078450400.

The previous prime is 208156900817. The next prime is 208156900849. The reversal of 208156900832 is 238009651802.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3252451544 + ... + 3252451607.

It is an arithmetic number, because the mean of its divisors is an integer number (34150741548).

Almost surely, 2^208156900832 is an apocalyptic number.

It is an amenable number.

208156900832 is a deficient number, since it is larger than the sum of its proper divisors (201651997744).

208156900832 is an equidigital number, since it uses as much as digits as its factorization.

208156900832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6504903161 (or 6504903153 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 44.

The spelling of 208156900832 in words is "two hundred eight billion, one hundred fifty-six million, nine hundred thousand, eight hundred thirty-two".