328660157 has 16 divisors (see below), whose sum is σ = 395948160. Its totient is φ = 266499072.

The previous prime is 328660147. The next prime is 328660181. The reversal of 328660157 is 751066823.

It is not a de Polignac number, because 328660157 - 2⁶ = 328660093 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 328660157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328660127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125453 + ... + 128045.

It is an arithmetic number, because the mean of its divisors is an integer number (24746760).

Almost surely, 2^328660157 is an apocalyptic number.

It is an amenable number.

328660157 is a deficient number, since it is larger than the sum of its proper divisors (67288003).

328660157 is a wasteful number, since it uses less digits than its factorization.

328660157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3572.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 328660157 is about 18128.9866512169. The cubic root of 328660157 is about 690.1058137800.

The spelling of 328660157 in words is "three hundred twenty-eight million, six hundred sixty thousand, one hundred fifty-seven".