157650017 has 4 divisors (see below), whose sum is σ = 180171456. Its totient is φ = 135128580.

The previous prime is 157649957. The next prime is 157650019. The reversal of 157650017 is 710056751.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 710056751 = 37 ⋅19190723.

It is a cyclic number.

It is not a de Polignac number, because 157650017 - 2⁶ = 157649953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157650019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11260709 + ... + 11260722.

It is an arithmetic number, because the mean of its divisors is an integer number (45042864).

Almost surely, 2^157650017 is an apocalyptic number.

It is an amenable number.

157650017 is a deficient number, since it is larger than the sum of its proper divisors (22521439).

157650017 is an equidigital number, since it uses as much as digits as its factorization.

157650017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22521438.

The product of its (nonzero) digits is 7350, while the sum is 32.

The square root of 157650017 is about 12555.8757958177. The cubic root of 157650017 is about 540.2125557829.

The spelling of 157650017 in words is "one hundred fifty-seven million, six hundred fifty thousand, seventeen".