90166465 has 8 divisors (see below), whose sum is σ = 108250920. Its totient is φ = 72099072.

The previous prime is 90166459. The next prime is 90166471. The reversal of 90166465 is 56466109.

It is an interprime number because it is at equal distance from previous prime (90166459) and next prime (90166471).

It can be written as a sum of positive squares in 4 ways, for example, as 8300161 + 81866304 = 2881^2 + 9048^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90166465 - 2¹³ = 90158273 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17127 + ... + 21763.

It is an arithmetic number, because the mean of its divisors is an integer number (13531365).

Almost surely, 2^90166465 is an apocalyptic number.

It is an amenable number.

90166465 is a deficient number, since it is larger than the sum of its proper divisors (18084455).

90166465 is a wasteful number, since it uses less digits than its factorization.

90166465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8531.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 90166465 is about 9495.6024032180. The cubic root of 90166465 is about 448.4165996847.

The spelling of 90166465 in words is "ninety million, one hundred sixty-six thousand, four hundred sixty-five".