190507906668 has 48 divisors (see below), whose sum is σ = 446554967040. Its totient is φ = 63211916544.

The previous prime is 190507906621. The next prime is 190507906679. The reversal of 190507906668 is 866609705091.

It is a happy number.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8113321 + ... + 8136767.

It is an arithmetic number, because the mean of its divisors is an integer number (9303228480).

Almost surely, 2^190507906668 is an apocalyptic number.

It is an amenable number.

190507906668 is an abundant number, since it is smaller than the sum of its proper divisors (256047060372).

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

190507906668 is a wasteful number, since it uses less digits than its factorization.

190507906668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26526 (or 26524 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 57.

The spelling of 190507906668 in words is "one hundred ninety billion, five hundred seven million, nine hundred six thousand, six hundred sixty-eight".