660372125 has 16 divisors (see below), whose sum is σ = 941880576. Its totient is φ = 452826000.

The previous prime is 660372107. The next prime is 660372131. The reversal of 660372125 is 521273066.

It is not a de Polignac number, because 660372125 - 2⁸ = 660371869 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 660372091 and 660372100.

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, 376481 + ... + 378230.

It is an arithmetic number, because the mean of its divisors is an integer number (58867536).

Almost surely, 2^660372125 is an apocalyptic number.

It is an amenable number.

660372125 is a deficient number, since it is larger than the sum of its proper divisors (281508451).

660372125 is an equidigital number, since it uses as much as digits as its factorization.

660372125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754733 (or 754723 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 660372125 is about 25697.7066097347. The cubic root of 660372125 is about 870.8223716535.

The spelling of 660372125 in words is "six hundred sixty million, three hundred seventy-two thousand, one hundred twenty-five".