190197896502 has 16 divisors (see below), whose sum is σ = 381220952112. Its totient is φ = 63261772320.

The previous prime is 190197896479. The next prime is 190197896519. The reversal of 190197896502 is 205698791091.

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, 34378633 + ... + 34384164.

It is an arithmetic number, because the mean of its divisors is an integer number (23826309507).

Almost surely, 2^190197896502 is an apocalyptic number.

190197896502 is an abundant number, since it is smaller than the sum of its proper divisors (191023055610).

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

190197896502 is a wasteful number, since it uses less digits than its factorization.

190197896502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68763263.

The product of its (nonzero) digits is 2449440, while the sum is 57.

The spelling of 190197896502 in words is "one hundred ninety billion, one hundred ninety-seven million, eight hundred ninety-six thousand, five hundred two".