90161514 has 12 divisors (see below), whose sum is σ = 195349986. Its totient is φ = 30053832.

The previous prime is 90161509. The next prime is 90161521. The reversal of 90161514 is 41516109.

90161514 is a `hidden beast` number, since 90 + 1 + 61 + 514 = 666.

It can be written as a sum of positive squares in only one way, i.e., 87329025 + 2832489 = 9345^2 + 1683^2 .

It is a super-3 number, since 3×90161514³ (a number of 25 digits) contains 333 as substring.

It is a zygodrome in base 4.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2504469 + ... + 2504504.

Almost surely, 2^90161514 is an apocalyptic number.

90161514 is an abundant number, since it is smaller than the sum of its proper divisors (105188472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90161514 is a wasteful number, since it uses less digits than its factorization.

90161514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5008981 (or 5008978 counting only the distinct ones).

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

The square root of 90161514 is about 9495.3417000127. The cubic root of 90161514 is about 448.4083920833.

It can be divided in two parts, 90 and 161514, that added together give a square (161604 = 402²).

The spelling of 90161514 in words is "ninety million, one hundred sixty-one thousand, five hundred fourteen".