83249980664 has 16 divisors (see below), whose sum is σ = 156166789200. Its totient is φ = 41605503552.

The previous prime is 83249980609. The next prime is 83249980673. The reversal of 83249980664 is 46608994238.

It is a congruent number.

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, 2417684 + ... + 2451875.

It is an arithmetic number, because the mean of its divisors is an integer number (9760424325).

Almost surely, 2^83249980664 is an apocalyptic number.

It is an amenable number.

83249980664 is a deficient number, since it is larger than the sum of its proper divisors (72916808536).

83249980664 is a wasteful number, since it uses less digits than its factorization.

83249980664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4871702 (or 4871698 counting only the distinct ones).

The product of its (nonzero) digits is 17915904, while the sum is 59.

The spelling of 83249980664 in words is "eighty-three billion, two hundred forty-nine million, nine hundred eighty thousand, six hundred sixty-four".