28160167 has 16 divisors (see below), whose sum is σ = 33053440. Its totient is φ = 23493888.

The previous prime is 28160137. The next prime is 28160173. The reversal of 28160167 is 76106182.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28160167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28160137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45184 + ... + 45802.

It is an arithmetic number, because the mean of its divisors is an integer number (2065840).

Almost surely, 2^28160167 is an apocalyptic number.

28160167 is the 4333-rd pentagonal number.

28160167 is a deficient number, since it is larger than the sum of its proper divisors (4893273).

28160167 is an equidigital number, since it uses as much as digits as its factorization.

28160167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 28160167 is about 5306.6153996686. The cubic root of 28160167 is about 304.2367982736.

The spelling of 28160167 in words is "twenty-eight million, one hundred sixty thousand, one hundred sixty-seven".