90514161 has 6 divisors (see below), whose sum is σ = 130742690. Its totient is φ = 60342768.

The previous prime is 90514153. The next prime is 90514163. The reversal of 90514161 is 16141509.

90514161 is a `hidden beast` number, since 90 + 514 + 1 + 61 = 666.

It can be written as a sum of positive squares in only one way, i.e., 72999936 + 17514225 = 8544^2 + 4185^2 .

It is not a de Polignac number, because 90514161 - 2³ = 90514153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90514163) 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 5 ways as a sum of consecutive naturals, for example, 5028556 + ... + 5028573.

Almost surely, 2^90514161 is an apocalyptic number.

It is an amenable number.

90514161 is a deficient number, since it is larger than the sum of its proper divisors (40228529).

90514161 is a wasteful number, since it uses less digits than its factorization.

90514161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10057135 (or 10057132 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 90514161 is about 9513.8930517428. The cubic root of 90514161 is about 448.9922485819.

The spelling of 90514161 in words is "ninety million, five hundred fourteen thousand, one hundred sixty-one".