83185440356 has 24 divisors (see below), whose sum is σ = 146660295936. Its totient is φ = 41282956800.

The previous prime is 83185440337. The next prime is 83185440367. The reversal of 83185440356 is 65304458138.

It is a self number, because there is not a number n which added to its sum of digits gives 83185440356.

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 in 7 ways as a sum of consecutive naturals, for example, 678485 + ... + 791651.

It is an arithmetic number, because the mean of its divisors is an integer number (6110845664).

Almost surely, 2^83185440356 is an apocalyptic number.

It is an amenable number.

83185440356 is a deficient number, since it is larger than the sum of its proper divisors (63474855580).

83185440356 is a wasteful number, since it uses less digits than its factorization.

83185440356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114539 (or 114537 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 47.

The spelling of 83185440356 in words is "eighty-three billion, one hundred eighty-five million, four hundred forty thousand, three hundred fifty-six".