102891835198 has 16 divisors (see below), whose sum is σ = 168687944064. Its totient is φ = 46857761280.

The previous prime is 102891835187. The next prime is 102891835247. The reversal of 102891835198 is 891538198201.

It is a congruent number.

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, 48809115 + ... + 48811222.

It is an arithmetic number, because the mean of its divisors is an integer number (10542996504).

Almost surely, 2^102891835198 is an apocalyptic number.

102891835198 is a deficient number, since it is larger than the sum of its proper divisors (65796108866).

102891835198 is a wasteful number, since it uses less digits than its factorization.

102891835198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97620387.

The product of its (nonzero) digits is 1244160, while the sum is 55.

The spelling of 102891835198 in words is "one hundred two billion, eight hundred ninety-one million, eight hundred thirty-five thousand, one hundred ninety-eight".