90050161 has 8 divisors (see below), whose sum is σ = 90677664. Its totient is φ = 89425440.

The previous prime is 90050159. The next prime is 90050179. The reversal of 90050161 is 16105009.

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 90050161 - 2¹ = 90050159 is a prime.

It is a super-2 number, since 2×90050161² = 16218062992251842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90050131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159666 + ... + 160228.

It is an arithmetic number, because the mean of its divisors is an integer number (11334708).

Almost surely, 2^90050161 is an apocalyptic number.

It is an amenable number.

90050161 is a deficient number, since it is larger than the sum of its proper divisors (627503).

90050161 is a wasteful number, since it uses less digits than its factorization.

90050161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1391.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 90050161 is about 9489.4763290711. The cubic root of 90050161 is about 448.2237153943.

The spelling of 90050161 in words is "ninety million, fifty thousand, one hundred sixty-one".