83191661932 has 12 divisors (see below), whose sum is σ = 147758325400. Its totient is φ = 40974997536.

The previous prime is 83191661923. The next prime is 83191661933. The reversal of 83191661932 is 23916619138.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (83191661933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155208057 + ... + 155208592.

Almost surely, 2^83191661932 is an apocalyptic number.

It is an amenable number.

83191661932 is a deficient number, since it is larger than the sum of its proper divisors (64566663468).

83191661932 is a wasteful number, since it uses less digits than its factorization.

83191661932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310416720 (or 310416718 counting only the distinct ones).

The product of its digits is 419904, while the sum is 49.

The spelling of 83191661932 in words is "eighty-three billion, one hundred ninety-one million, six hundred sixty-one thousand, nine hundred thirty-two".