166053872 has 40 divisors (see below), whose sum is σ = 328645632. Its totient is φ = 81259200.

The previous prime is 166053871. The next prime is 166053889. The reversal of 166053872 is 278350661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166053871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204347 + ... + 205157.

Almost surely, 2^166053872 is an apocalyptic number.

It is an amenable number.

166053872 is a deficient number, since it is larger than the sum of its proper divisors (162591760).

166053872 is a wasteful number, since it uses less digits than its factorization.

166053872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077 (or 1071 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 166053872 is about 12886.1891961898. The cubic root of 166053872 is about 549.6459120333.

The spelling of 166053872 in words is "one hundred sixty-six million, fifty-three thousand, eight hundred seventy-two".