90151072199 has 16 divisors (see below), whose sum is σ = 98188142976. Its totient is φ = 82434969600.

The previous prime is 90151072189. The next prime is 90151072217. The reversal of 90151072199 is 99127015109.

It is a cyclic number.

It is not a de Polignac number, because 90151072199 - 2²⁴ = 90134294983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90151072129) 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, 100367 + ... + 436320.

It is an arithmetic number, because the mean of its divisors is an integer number (6136758936).

Almost surely, 2^90151072199 is an apocalyptic number.

90151072199 is a deficient number, since it is larger than the sum of its proper divisors (8037070777).

90151072199 is a wasteful number, since it uses less digits than its factorization.

90151072199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536986.

The product of its (nonzero) digits is 51030, while the sum is 44.

The spelling of 90151072199 in words is "ninety billion, one hundred fifty-one million, seventy-two thousand, one hundred ninety-nine".