156272161797 has 24 divisors (see below), whose sum is σ = 227155457984. Its totient is φ = 103522152384.

The previous prime is 156272161769. The next prime is 156272161841. The reversal of 156272161797 is 797161272651.

156272161797 is a `hidden beast` number, since 1 + 5 + 627 + 2 + 1 + 6 + 1 + 7 + 9 + 7 = 666.

It is not a de Polignac number, because 156272161797 - 2¹⁴ = 156272145413 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156272161597) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13876593 + ... + 13887849.

Almost surely, 2^156272161797 is an apocalyptic number.

It is an amenable number.

156272161797 is a deficient number, since it is larger than the sum of its proper divisors (70883296187).

156272161797 is a wasteful number, since it uses less digits than its factorization.

156272161797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20889 (or 20886 counting only the distinct ones).

The product of its digits is 2222640, while the sum is 54.

The spelling of 156272161797 in words is "one hundred fifty-six billion, two hundred seventy-two million, one hundred sixty-one thousand, seven hundred ninety-seven".