167161555 has 16 divisors (see below), whose sum is σ = 221092704. Its totient is φ = 120314880.

The previous prime is 167161549. The next prime is 167161571. The reversal of 167161555 is 555161761.

It is not a de Polignac number, because 167161555 - 2⁷ = 167161427 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10332 + ... + 21001.

It is an arithmetic number, because the mean of its divisors is an integer number (13818294).

Almost surely, 2^167161555 is an apocalyptic number.

167161555 is a deficient number, since it is larger than the sum of its proper divisors (53931149).

167161555 is a wasteful number, since it uses less digits than its factorization.

167161555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31446.

The product of its digits is 31500, while the sum is 37.

The square root of 167161555 is about 12929.0972229309. The cubic root of 167161555 is about 550.8653650012.

The spelling of 167161555 in words is "one hundred sixty-seven million, one hundred sixty-one thousand, five hundred fifty-five".