91052167 has 2 divisors, whose sum is σ = 91052168. Its totient is φ = 91052166.

The previous prime is 91052131. The next prime is 91052173. The reversal of 91052167 is 76125019.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-91052167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91053167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45526083 + 45526084.

It is an arithmetic number, because the mean of its divisors is an integer number (45526084).

Almost surely, 2^91052167 is an apocalyptic number.

91052167 is a deficient number, since it is larger than the sum of its proper divisors (1).

91052167 is an equidigital number, since it uses as much as digits as its factorization.

91052167 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 91052167 is about 9542.1259161677. The cubic root of 91052167 is about 449.8800783327.

It can be divided in two parts, 91052 and 167, that added together give a palindrome (91219).

The spelling of 91052167 in words is "ninety-one million, fifty-two thousand, one hundred sixty-seven".