83195408512 has 32 divisors (see below), whose sum is σ = 166280803920. Its totient is φ = 41462187264.

The previous prime is 83195408497. The next prime is 83195408557. The reversal of 83195408512 is 21580459138.

It is a tau number, because it is divible by the number of its divisors (32).

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, 1019278 + ... + 1097869.

Almost surely, 2^83195408512 is an apocalyptic number.

It is an amenable number.

83195408512 is a deficient number, since it is larger than the sum of its proper divisors (83085395408).

83195408512 is a wasteful number, since it uses less digits than its factorization.

83195408512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2117468 (or 2117456 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 46.

The spelling of 83195408512 in words is "eighty-three billion, one hundred ninety-five million, four hundred eight thousand, five hundred twelve".