90165326127 has 4 divisors (see below), whose sum is σ = 120220434840. Its totient is φ = 60110217416.

The previous prime is 90165326123. The next prime is 90165326137. The reversal of 90165326127 is 72162356109.

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 90165326127 - 2² = 90165326123 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90165326123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15027554352 + ... + 15027554357.

It is an arithmetic number, because the mean of its divisors is an integer number (30055108710).

Almost surely, 2^90165326127 is an apocalyptic number.

90165326127 is a deficient number, since it is larger than the sum of its proper divisors (30055108713).

90165326127 is a wasteful number, since it uses less digits than its factorization.

90165326127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30055108712.

The product of its (nonzero) digits is 136080, while the sum is 42.

The spelling of 90165326127 in words is "ninety billion, one hundred sixty-five million, three hundred twenty-six thousand, one hundred twenty-seven".