90488161 has 8 divisors (see below), whose sum is σ = 96012000. Its totient is φ = 84986688.

The previous prime is 90488159. The next prime is 90488171. The reversal of 90488161 is 16188409.

It is a happy number.

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 90488161 - 2¹ = 90488159 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 90488161.

It is not an unprimeable number, because it can be changed into a prime (90488131) 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, 3150 + ... + 13816.

It is an arithmetic number, because the mean of its divisors is an integer number (12001500).

Almost surely, 2^90488161 is an apocalyptic number.

It is an amenable number.

90488161 is a deficient number, since it is larger than the sum of its proper divisors (5523839).

90488161 is a wasteful number, since it uses less digits than its factorization.

90488161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11183.

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 90488161 is about 9512.5265308434. The cubic root of 90488161 is about 448.9492537758.

The spelling of 90488161 in words is "ninety million, four hundred eighty-eight thousand, one hundred sixty-one".