196847871518 has 32 divisors (see below), whose sum is σ = 307963192320. Its totient is φ = 94284456640.

The previous prime is 196847871497. The next prime is 196847871547. The reversal of 196847871518 is 815178748691.

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, 4151621 + ... + 4198767.

It is an arithmetic number, because the mean of its divisors is an integer number (9623849760).

Almost surely, 2^196847871518 is an apocalyptic number.

196847871518 is a deficient number, since it is larger than the sum of its proper divisors (111115320802).

196847871518 is a wasteful number, since it uses less digits than its factorization.

196847871518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48112.

The product of its digits is 27095040, while the sum is 65.

The spelling of 196847871518 in words is "one hundred ninety-six billion, eight hundred forty-seven million, eight hundred seventy-one thousand, five hundred eighteen".