166177053 has 48 divisors (see below), whose sum is σ = 280849920. Its totient is φ = 92731392.

The previous prime is 166177049. The next prime is 166177061. The reversal of 166177053 is 350771661.

It is not a de Polignac number, because 166177053 - 2² = 166177049 is a prime.

It is a super-2 number, since 2×166177053² = 55229625887529618, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 166176999 and 166177017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166177043) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 860925 + ... + 861117.

It is an arithmetic number, because the mean of its divisors is an integer number (5851040).

Almost surely, 2^166177053 is an apocalyptic number.

It is an amenable number.

166177053 is a deficient number, since it is larger than the sum of its proper divisors (114672867).

166177053 is a wasteful number, since it uses less digits than its factorization.

166177053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458 (or 455 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 166177053 is about 12890.9678845306. The cubic root of 166177053 is about 549.7817900217.

The spelling of 166177053 in words is "one hundred sixty-six million, one hundred seventy-seven thousand, fifty-three".