57166875678 has 96 divisors (see below), whose sum is σ = 130841752608. Its totient is φ = 16623636480.

The previous prime is 57166875677. The next prime is 57166875691. The reversal of 57166875678 is 87657866175.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57166875671) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 1946350 + ... + 1975502.

It is an arithmetic number, because the mean of its divisors is an integer number (1362934923).

Almost surely, 2^57166875678 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57166875678, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65420876304).

57166875678 is an abundant number, since it is smaller than the sum of its proper divisors (73674876930).

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

57166875678 is a wasteful number, since it uses less digits than its factorization.

57166875678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29290 (or 29279 counting only the distinct ones).

The product of its digits is 118540800, while the sum is 66.

The spelling of 57166875678 in words is "fifty-seven billion, one hundred sixty-six million, eight hundred seventy-five thousand, six hundred seventy-eight".