83161233944 has 8 divisors (see below), whose sum is σ = 155927313660. Its totient is φ = 41580616968.

The previous prime is 83161233917. The next prime is 83161233971. The reversal of 83161233944 is 44933216138.

It is an interprime number because it is at equal distance from previous prime (83161233917) and next prime (83161233971).

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 83161233895 and 83161233904.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5197577114 + ... + 5197577129.

Almost surely, 2^83161233944 is an apocalyptic number.

It is an amenable number.

83161233944 is a deficient number, since it is larger than the sum of its proper divisors (72766079716).

83161233944 is a wasteful number, since it uses less digits than its factorization.

83161233944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10395154249 (or 10395154245 counting only the distinct ones).

The product of its digits is 373248, while the sum is 44.

The spelling of 83161233944 in words is "eighty-three billion, one hundred sixty-one million, two hundred thirty-three thousand, nine hundred forty-four".