197966495 has 16 divisors (see below), whose sum is σ = 242040960. Its totient is φ = 155410944.

The previous prime is 197966477. The next prime is 197966519. The reversal of 197966495 is 594669791.

It is a cyclic number.

It is not a de Polignac number, because 197966495 - 2⁸ = 197966239 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 197966495.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66887 + ... + 69783.

It is an arithmetic number, because the mean of its divisors is an integer number (15127560).

Almost surely, 2^197966495 is an apocalyptic number.

197966495 is a deficient number, since it is larger than the sum of its proper divisors (44074465).

197966495 is a wasteful number, since it uses less digits than its factorization.

197966495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3154.

The product of its digits is 3674160, while the sum is 56.

The square root of 197966495 is about 14070.0566807671. The cubic root of 197966495 is about 582.8147905259.

The spelling of 197966495 in words is "one hundred ninety-seven million, nine hundred sixty-six thousand, four hundred ninety-five".