660157107 has 8 divisors (see below), whose sum is σ = 931986576. Its totient is φ = 414216192.

The previous prime is 660157103. The next prime is 660157111. The reversal of 660157107 is 701751066.

It is an interprime number because it is at equal distance from previous prime (660157103) and next prime (660157111).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 660157107 - 2² = 660157103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (660157103) 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, 6472078 + ... + 6472179.

It is an arithmetic number, because the mean of its divisors is an integer number (116498322).

Almost surely, 2^660157107 is an apocalyptic number.

660157107 is a deficient number, since it is larger than the sum of its proper divisors (271829469).

660157107 is a wasteful number, since it uses less digits than its factorization.

660157107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12944277.

The product of its (nonzero) digits is 8820, while the sum is 33.

The square root of 660157107 is about 25693.5226662285. The cubic root of 660157107 is about 870.7278477714.

The spelling of 660157107 in words is "six hundred sixty million, one hundred fifty-seven thousand, one hundred seven".