197413018 has 16 divisors (see below), whose sum is σ = 324069984. Its totient is φ = 89446960.

The previous prime is 197413009. The next prime is 197413031. The reversal of 197413018 is 810314791.

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, 7180 + ... + 21127.

It is an arithmetic number, because the mean of its divisors is an integer number (20254374).

Almost surely, 2^197413018 is an apocalyptic number.

197413018 is a deficient number, since it is larger than the sum of its proper divisors (126656966).

197413018 is a wasteful number, since it uses less digits than its factorization.

197413018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28637.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 197413018 is about 14050.3743010640. The cubic root of 197413018 is about 582.2711367983.

The spelling of 197413018 in words is "one hundred ninety-seven million, four hundred thirteen thousand, eighteen".