196538664 has 32 divisors (see below), whose sum is σ = 561539520. Its totient is φ = 56153856.

The previous prime is 196538659. The next prime is 196538701. The reversal of 196538664 is 466835691.

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, 584769 + ... + 585104.

It is an arithmetic number, because the mean of its divisors is an integer number (17548110).

Almost surely, 2^196538664 is an apocalyptic number.

196538664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

196538664 is an abundant number, since it is smaller than the sum of its proper divisors (365000856).

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

196538664 is a wasteful number, since it uses less digits than its factorization.

196538664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1169889 (or 1169885 counting only the distinct ones).

The product of its digits is 933120, while the sum is 48.

The square root of 196538664 is about 14019.2248002520. The cubic root of 196538664 is about 581.4102267033.

The spelling of 196538664 in words is "one hundred ninety-six million, five hundred thirty-eight thousand, six hundred sixty-four".