100161255208 has 32 divisors (see below), whose sum is σ = 214671706560. Its totient is φ = 42918163200.

The previous prime is 100161255191. The next prime is 100161255217. The reversal of 100161255208 is 802552161001.

It is a self number, because there is not a number n which added to its sum of digits gives 100161255208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136183 + ... + 467833.

It is an arithmetic number, because the mean of its divisors is an integer number (6708490830).

Almost surely, 2^100161255208 is an apocalyptic number.

It is an amenable number.

100161255208 is an abundant number, since it is smaller than the sum of its proper divisors (114510451352).

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

100161255208 is a wasteful number, since it uses less digits than its factorization.

100161255208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337057 (or 337053 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 31.

The spelling of 100161255208 in words is "one hundred billion, one hundred sixty-one million, two hundred fifty-five thousand, two hundred eight".