156161627 has 4 divisors (see below), whose sum is σ = 164380680. Its totient is φ = 147942576.

The previous prime is 156161623. The next prime is 156161639. The reversal of 156161627 is 726161651.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 726161651 = 179 ⋅4056769.

It is a cyclic number.

It is not a de Polignac number, because 156161627 - 2² = 156161623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (156161623) 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, 4109498 + ... + 4109535.

It is an arithmetic number, because the mean of its divisors is an integer number (41095170).

Almost surely, 2^156161627 is an apocalyptic number.

156161627 is a deficient number, since it is larger than the sum of its proper divisors (8219053).

156161627 is an equidigital number, since it uses as much as digits as its factorization.

156161627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8219052.

The product of its digits is 15120, while the sum is 35.

The square root of 156161627 is about 12496.4645800322. The cubic root of 156161627 is about 538.5071099677.

The spelling of 156161627 in words is "one hundred fifty-six million, one hundred sixty-one thousand, six hundred twenty-seven".