156601151 has 8 divisors (see below), whose sum is σ = 179671200. Its totient is φ = 133705728.

The previous prime is 156601139. The next prime is 156601217. The reversal of 156601151 is 151106651.

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 156601151 - 2⁶ = 156601087 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 156601151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156601111) 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, 41726 + ... + 45323.

It is an arithmetic number, because the mean of its divisors is an integer number (22458900).

Almost surely, 2^156601151 is an apocalyptic number.

156601151 is a deficient number, since it is larger than the sum of its proper divisors (23070049).

156601151 is an equidigital number, since it uses as much as digits as its factorization.

156601151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87313.

The product of its (nonzero) digits is 900, while the sum is 26.

The square root of 156601151 is about 12514.0381572057. The cubic root of 156601151 is about 539.0118543040.

The spelling of 156601151 in words is "one hundred fifty-six million, six hundred one thousand, one hundred fifty-one".