188064966 has 16 divisors (see below), whose sum is σ = 376992000. Its totient is φ = 62544648.

The previous prime is 188064953. The next prime is 188064977. The reversal of 188064966 is 669460881.

188064966 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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, 33066 + ... + 38333.

It is an arithmetic number, because the mean of its divisors is an integer number (23562000).

Almost surely, 2^188064966 is an apocalyptic number.

188064966 is an abundant number, since it is smaller than the sum of its proper divisors (188927034).

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

188064966 is a wasteful number, since it uses less digits than its factorization.

188064966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71843.

The product of its (nonzero) digits is 497664, while the sum is 48.

The square root of 188064966 is about 13713.6780624310. The cubic root of 188064966 is about 572.9314111896.

The spelling of 188064966 in words is "one hundred eighty-eight million, sixty-four thousand, nine hundred sixty-six".