197990116 has 24 divisors (see below), whose sum is σ = 351921920. Its totient is φ = 97448832.

The previous prime is 197990101. The next prime is 197990123. The reversal of 197990116 is 611099791.

It is a happy number.

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, 136105 + ... + 137551.

Almost surely, 2^197990116 is an apocalyptic number.

It is an amenable number.

197990116 is a deficient number, since it is larger than the sum of its proper divisors (153931804).

197990116 is a wasteful number, since it uses less digits than its factorization.

197990116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1963 (or 1961 counting only the distinct ones).

The product of its (nonzero) digits is 30618, while the sum is 43.

The square root of 197990116 is about 14070.8960624404. The cubic root of 197990116 is about 582.8379697356.

The spelling of 197990116 in words is "one hundred ninety-seven million, nine hundred ninety thousand, one hundred sixteen".