192661564 has 12 divisors (see below), whose sum is σ = 338310504. Its totient is φ = 96001424.

The previous prime is 192661541. The next prime is 192661571. The reversal of 192661564 is 465166291.

It is a happy number.

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, 81022 + ... + 83365.

It is an arithmetic number, because the mean of its divisors is an integer number (28192542).

Almost surely, 2^192661564 is an apocalyptic number.

It is an amenable number.

192661564 is a deficient number, since it is larger than the sum of its proper divisors (145648940).

192661564 is a wasteful number, since it uses less digits than its factorization.

192661564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164684 (or 164682 counting only the distinct ones).

The product of its digits is 77760, while the sum is 40.

The square root of 192661564 is about 13880.2580667652. The cubic root of 192661564 is about 577.5616660473.

The spelling of 192661564 in words is "one hundred ninety-two million, six hundred sixty-one thousand, five hundred sixty-four".