90965167 has 4 divisors (see below), whose sum is σ = 93080680. Its totient is φ = 88849656.

The previous prime is 90965159. The next prime is 90965201. The reversal of 90965167 is 76156909.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 90965167 - 2³ = 90965159 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43), and also a Moran number because the ratio is a prime number: 2115469 = 90965167 / (9 + 0 + 9 + 6 + 5 + 1 + 6 + 7).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90965107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1057692 + ... + 1057777.

It is an arithmetic number, because the mean of its divisors is an integer number (23270170).

Almost surely, 2^90965167 is an apocalyptic number.

90965167 is a deficient number, since it is larger than the sum of its proper divisors (2115513).

90965167 is a wasteful number, since it uses less digits than its factorization.

90965167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2115512.

The product of its (nonzero) digits is 102060, while the sum is 43.

The square root of 90965167 is about 9537.5660941353. The cubic root of 90965167 is about 449.7367464361.

The spelling of 90965167 in words is "ninety million, nine hundred sixty-five thousand, one hundred sixty-seven".