671610090 has 16 divisors (see below), whose sum is σ = 1611864288. Its totient is φ = 179096016.

The previous prime is 671610089. The next prime is 671610103. The reversal of 671610090 is 90016176.

671610090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×671610090² = 902120225979616200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 22387003 = 671610090 / (6 + 7 + 1 + 6 + 1 + 0 + 0 + 9 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11193472 + ... + 11193531.

It is an arithmetic number, because the mean of its divisors is an integer number (100741518).

Almost surely, 2^671610090 is an apocalyptic number.

671610090 is an abundant number, since it is smaller than the sum of its proper divisors (940254198).

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

671610090 is a wasteful number, since it uses less digits than its factorization.

671610090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22387013.

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 671610090 is about 25915.4411500171. The cubic root of 671610090 is about 875.7343886243.

The spelling of 671610090 in words is "six hundred seventy-one million, six hundred ten thousand, ninety".