190913666904 has 96 divisors (see below), whose sum is σ = 547975134000. Its totient is φ = 61584986880.

The previous prime is 190913666861. The next prime is 190913666929. The reversal of 190913666904 is 409666319091.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 252289 + ... + 667440.

Almost surely, 2^190913666904 is an apocalyptic number.

It is an amenable number.

190913666904 is an abundant number, since it is smaller than the sum of its proper divisors (357061467096).

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

190913666904 is a wasteful number, since it uses less digits than its factorization.

190913666904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919806 (or 919765 counting only the distinct ones).

The product of its (nonzero) digits is 1889568, while the sum is 54.

The spelling of 190913666904 in words is "one hundred ninety billion, nine hundred thirteen million, six hundred sixty-six thousand, nine hundred four".