125666716 has 24 divisors (see below), whose sum is σ = 252237440. Its totient is φ = 53663472.

The previous prime is 125666711. The next prime is 125666729. The reversal of 125666716 is 617666521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125666711) 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, 6 + ... + 15853.

Almost surely, 2^125666716 is an apocalyptic number.

It is an amenable number.

125666716 is an abundant number, since it is smaller than the sum of its proper divisors (126570724).

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

125666716 is a wasteful number, since it uses less digits than its factorization.

125666716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16153 (or 16151 counting only the distinct ones).

The product of its digits is 90720, while the sum is 40.

The square root of 125666716 is about 11210.1166809271. The cubic root of 125666716 is about 500.8873788525.

The spelling of 125666716 in words is "one hundred twenty-five million, six hundred sixty-six thousand, seven hundred sixteen".