196805564 has 6 divisors (see below), whose sum is σ = 344409744. Its totient is φ = 98402780.

The previous prime is 196805563. The next prime is 196805573. The reversal of 196805564 is 465508691.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196805563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24600692 + ... + 24600699.

It is an arithmetic number, because the mean of its divisors is an integer number (57401624).

Almost surely, 2^196805564 is an apocalyptic number.

It is an amenable number.

196805564 is a deficient number, since it is larger than the sum of its proper divisors (147604180).

196805564 is a wasteful number, since it uses less digits than its factorization.

196805564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49201395 (or 49201393 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 44.

The square root of 196805564 is about 14028.7406419821. The cubic root of 196805564 is about 581.6732931742.

The spelling of 196805564 in words is "one hundred ninety-six million, eight hundred five thousand, five hundred sixty-four".