116640725 has 12 divisors (see below), whose sum is σ = 147999456. Its totient is φ = 91141680.

The previous prime is 116640709. The next prime is 116640739. The reversal of 116640725 is 527046611.

It is not a de Polignac number, because 116640725 - 2⁴ = 116640709 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 116640691 and 116640700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53177 + ... + 55326.

It is an arithmetic number, because the mean of its divisors is an integer number (12333288).

Almost surely, 2^116640725 is an apocalyptic number.

It is an amenable number.

116640725 is a deficient number, since it is larger than the sum of its proper divisors (31358731).

116640725 is a wasteful number, since it uses less digits than its factorization.

116640725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108556 (or 108551 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 116640725 is about 10800.0335647627. The cubic root of 116640725 is about 488.5961833064.

The spelling of 116640725 in words is "one hundred sixteen million, six hundred forty thousand, seven hundred twenty-five".