167156361 has 12 divisors (see below), whose sum is σ = 242461440. Its totient is φ = 110969880.

The previous prime is 167156333. The next prime is 167156369. The reversal of 167156361 is 163651761.

167156361 is a `hidden beast` number, since 1 + 6 + 7 + 15 + 636 + 1 = 666.

It is not a de Polignac number, because 167156361 - 2¹⁰ = 167155337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (167156369) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36705 + ... + 41006.

It is an arithmetic number, because the mean of its divisors is an integer number (20205120).

Almost surely, 2^167156361 is an apocalyptic number.

It is an amenable number.

167156361 is a deficient number, since it is larger than the sum of its proper divisors (75305079).

167156361 is a wasteful number, since it uses less digits than its factorization.

167156361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77956 (or 77953 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 167156361 is about 12928.8963566114. The cubic root of 167156361 is about 550.8596594941.

The spelling of 167156361 in words is "one hundred sixty-seven million, one hundred fifty-six thousand, three hundred sixty-one".