189796664 has 16 divisors (see below), whose sum is σ = 356644320. Its totient is φ = 94691520.

The previous prime is 189796639. The next prime is 189796697. The reversal of 189796664 is 466697981.

It is a super-3 number, since 3×189796664³ (a number of 26 digits) contains 333 as substring.

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, 21917 + ... + 29324.

It is an arithmetic number, because the mean of its divisors is an integer number (22290270).

Almost surely, 2^189796664 is an apocalyptic number.

It is an amenable number.

189796664 is a deficient number, since it is larger than the sum of its proper divisors (166847656).

189796664 is a wasteful number, since it uses less digits than its factorization.

189796664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51710 (or 51706 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 56.

The square root of 189796664 is about 13776.6710057256. The cubic root of 189796664 is about 574.6845543881.

The spelling of 189796664 in words is "one hundred eighty-nine million, seven hundred ninety-six thousand, six hundred sixty-four".