197115616 has 24 divisors (see below), whose sum is σ = 388803240. Its totient is φ = 98371968.

The previous prime is 197115593. The next prime is 197115631. The reversal of 197115616 is 616511791.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12295 + ... + 23353.

It is an arithmetic number, because the mean of its divisors is an integer number (16200135).

Almost surely, 2^197115616 is an apocalyptic number.

197115616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

197115616 is a deficient number, since it is larger than the sum of its proper divisors (191687624).

197115616 is a wasteful number, since it uses less digits than its factorization.

197115616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11626 (or 11618 counting only the distinct ones).

The product of its digits is 11340, while the sum is 37.

The square root of 197115616 is about 14039.7868929696. The cubic root of 197115616 is about 581.9785933877.

The spelling of 197115616 in words is "one hundred ninety-seven million, one hundred fifteen thousand, six hundred sixteen".