197137916 has 12 divisors (see below), whose sum is σ = 365285088. Its totient is φ = 92770752.

The previous prime is 197137907. The next prime is 197137949. The reversal of 197137916 is 619731791.

197137916 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1449476 + ... + 1449611.

It is an arithmetic number, because the mean of its divisors is an integer number (30440424).

Almost surely, 2^197137916 is an apocalyptic number.

It is an amenable number.

197137916 is a deficient number, since it is larger than the sum of its proper divisors (168147172).

197137916 is a wasteful number, since it uses less digits than its factorization.

197137916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2899108 (or 2899106 counting only the distinct ones).

The product of its digits is 71442, while the sum is 44.

The square root of 197137916 is about 14040.5810421079. The cubic root of 197137916 is about 582.0005392783. Note that the first 3 decimals are identical.

The spelling of 197137916 in words is "one hundred ninety-seven million, one hundred thirty-seven thousand, nine hundred sixteen".