190393664 has 28 divisors (see below), whose sum is σ = 378256800. Its totient is φ = 95084928.

The previous prime is 190393639. The next prime is 190393673. The reversal of 190393664 is 466393091.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92357 + ... + 94395.

Almost surely, 2^190393664 is an apocalyptic number.

It is an amenable number.

190393664 is a deficient number, since it is larger than the sum of its proper divisors (187863136).

190393664 is a wasteful number, since it uses less digits than its factorization.

190393664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3510 (or 3500 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 41.

The square root of 190393664 is about 13798.3210572881. The cubic root of 190393664 is about 575.2864750188.

The spelling of 190393664 in words is "one hundred ninety million, three hundred ninety-three thousand, six hundred sixty-four".