194271652564 has 12 divisors (see below), whose sum is σ = 370882245888. Its totient is φ = 88305296600.

The previous prime is 194271652493. The next prime is 194271652567. The reversal of 194271652564 is 465256172491.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194271652567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2207632372 + ... + 2207632459.

It is an arithmetic number, because the mean of its divisors is an integer number (30906853824).

Almost surely, 2^194271652564 is an apocalyptic number.

It is an amenable number.

194271652564 is a deficient number, since it is larger than the sum of its proper divisors (176610593324).

194271652564 is a wasteful number, since it uses less digits than its factorization.

194271652564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4415264846 (or 4415264844 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 52.

The spelling of 194271652564 in words is "one hundred ninety-four billion, two hundred seventy-one million, six hundred fifty-two thousand, five hundred sixty-four".