166060557 has 32 divisors (see below), whose sum is σ = 266434560. Its totient is φ = 101615040.

The previous prime is 166060553. The next prime is 166060579. The reversal of 166060557 is 755060661.

It is a happy number.

166060557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 166060557 - 2² = 166060553 is a prime.

It is a super-2 number, since 2×166060557² = 55152217182300498, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166060553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65803 + ... + 68279.

It is an arithmetic number, because the mean of its divisors is an integer number (8326080).

Almost surely, 2^166060557 is an apocalyptic number.

It is an amenable number.

166060557 is a deficient number, since it is larger than the sum of its proper divisors (100374003).

166060557 is a wasteful number, since it uses less digits than its factorization.

166060557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2690 (or 2684 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 166060557 is about 12886.4485798066. The cubic root of 166060557 is about 549.6532878196.

The spelling of 166060557 in words is "one hundred sixty-six million, sixty thousand, five hundred fifty-seven".