190511968 has 24 divisors (see below), whose sum is σ = 375484032. Its totient is φ = 95150976.

The previous prime is 190511941. The next prime is 190511989. The reversal of 190511968 is 869115091.

It is a self number, because there is not a number n which added to its sum of digits gives 190511968.

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, 32046 + ... + 37522.

It is an arithmetic number, because the mean of its divisors is an integer number (15645168).

Almost surely, 2^190511968 is an apocalyptic number.

It is an amenable number.

190511968 is a deficient number, since it is larger than the sum of its proper divisors (184972064).

190511968 is a wasteful number, since it uses less digits than its factorization.

190511968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6574 (or 6566 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 40.

The square root of 190511968 is about 13802.6072899290. The cubic root of 190511968 is about 575.4056046827.

The spelling of 190511968 in words is "one hundred ninety million, five hundred eleven thousand, nine hundred sixty-eight".