156661153 has 8 divisors (see below), whose sum is σ = 171514656. Its totient is φ = 141909600.

The previous prime is 156661151. The next prime is 156661177. The reversal of 156661153 is 351166651.

156661153 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 156661153 - 2¹ = 156661151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (156661151) 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, 22251 + ... + 28432.

It is an arithmetic number, because the mean of its divisors is an integer number (21439332).

Almost surely, 2^156661153 is an apocalyptic number.

It is an amenable number.

156661153 is a deficient number, since it is larger than the sum of its proper divisors (14853503).

156661153 is a wasteful number, since it uses less digits than its factorization.

156661153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50975.

The product of its digits is 16200, while the sum is 34.

The square root of 156661153 is about 12516.4353152165. The cubic root of 156661153 is about 539.0806866196.

The spelling of 156661153 in words is "one hundred fifty-six million, six hundred sixty-one thousand, one hundred fifty-three".