125161660 has 48 divisors (see below), whose sum is σ = 283876992. Its totient is φ = 46080000.

The previous prime is 125161637. The next prime is 125161697. The reversal of 125161660 is 66161521.

It is a super-2 number, since 2×125161660² = 31330882267911200, which contains 22 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, 166285 + ... + 167035.

It is an arithmetic number, because the mean of its divisors is an integer number (5914104).

Almost surely, 2^125161660 is an apocalyptic number.

125161660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125161660 is an abundant number, since it is smaller than the sum of its proper divisors (158715332).

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

125161660 is a wasteful number, since it uses less digits than its factorization.

125161660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1414 (or 1412 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 125161660 is about 11187.5672065020. The cubic root of 125161660 is about 500.2154538126.

The spelling of 125161660 in words is "one hundred twenty-five million, one hundred sixty-one thousand, six hundred sixty".