83666881152 has 64 divisors (see below), whose sum is σ = 246933513600. Its totient is φ = 27888959232.

The previous prime is 83666881127. The next prime is 83666881171. The reversal of 83666881152 is 25118866638.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 12101128 + ... + 12108039.

It is an arithmetic number, because the mean of its divisors is an integer number (3858336150).

Almost surely, 2^83666881152 is an apocalyptic number.

It is an amenable number.

83666881152 is an abundant number, since it is smaller than the sum of its proper divisors (163266632448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83666881152 is a wasteful number, since it uses less digits than its factorization.

83666881152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24209190 (or 24209172 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 54.

The spelling of 83666881152 in words is "eighty-three billion, six hundred sixty-six million, eight hundred eighty-one thousand, one hundred fifty-two".