167161551 has 16 divisors (see below), whose sum is σ = 231221760. Its totient is φ = 107340480.

The previous prime is 167161549. The next prime is 167161571. The reversal of 167161551 is 155161761.

It is not a de Polignac number, because 167161551 - 2¹ = 167161549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (167161531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1116 + ... + 18318.

It is an arithmetic number, because the mean of its divisors is an integer number (14451360).

Almost surely, 2^167161551 is an apocalyptic number.

167161551 is a deficient number, since it is larger than the sum of its proper divisors (64060209).

167161551 is a wasteful number, since it uses less digits than its factorization.

167161551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17326.

The product of its digits is 6300, while the sum is 33.

The square root of 167161551 is about 12929.0970682411. The cubic root of 167161551 is about 550.8653606073.

The spelling of 167161551 in words is "one hundred sixty-seven million, one hundred sixty-one thousand, five hundred fifty-one".