57725521157166 has 32 divisors (see below), whose sum is σ = 122244652582560. Its totient is φ = 18109615942656.

The previous prime is 57725521157147. The next prime is 57725521157177. The reversal of 57725521157166 is 66175112552775.

It is a super-3 number, since 3×57725521157166³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185541 + ... + 10746416.

It is an arithmetic number, because the mean of its divisors is an integer number (3820145393205).

Almost surely, 2^{57725521157166} is an apocalyptic number.

57725521157166 is an abundant number, since it is smaller than the sum of its proper divisors (64519131425394).

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

57725521157166 is a wasteful number, since it uses less digits than its factorization.

57725521157166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10983748.

The product of its digits is 30870000, while the sum is 60.

The spelling of 57725521157166 in words is "fifty-seven trillion, seven hundred twenty-five billion, five hundred twenty-one million, one hundred fifty-seven thousand, one hundred sixty-six".