156606136001 has 4 divisors (see below), whose sum is σ = 178978441152. Its totient is φ = 134233830852.

The previous prime is 156606135989. The next prime is 156606136007. The reversal of 156606136001 is 100631606651.

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.

It is a cyclic number.

It is not a de Polignac number, because 156606136001 - 2⁶ = 156606135937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (156606136007) 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, 11186152565 + ... + 11186152578.

It is an arithmetic number, because the mean of its divisors is an integer number (44744610288).

Almost surely, 2^156606136001 is an apocalyptic number.

It is an amenable number.

156606136001 is a deficient number, since it is larger than the sum of its proper divisors (22372305151).

156606136001 is an equidigital number, since it uses as much as digits as its factorization.

156606136001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22372305150.

The product of its (nonzero) digits is 19440, while the sum is 35.

The spelling of 156606136001 in words is "one hundred fifty-six billion, six hundred six million, one hundred thirty-six thousand, one".