2174661516 has 48 divisors (see below), whose sum is σ = 5104028160. Its totient is φ = 720642240.

The previous prime is 2174661491. The next prime is 2174661553. The reversal of 2174661516 is 6151664712.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2648386 + ... + 2649206.

It is an arithmetic number, because the mean of its divisors is an integer number (106333920).

Almost surely, 2^2174661516 is an apocalyptic number.

It is an amenable number.

2174661516 is an abundant number, since it is smaller than the sum of its proper divisors (2929366644).

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

2174661516 is a wasteful number, since it uses less digits than its factorization.

2174661516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1854 (or 1852 counting only the distinct ones).

The product of its digits is 60480, while the sum is 39.

The square root of 2174661516 is about 46633.2661948528. The cubic root of 2174661516 is about 1295.5789694116.

The spelling of 2174661516 in words is "two billion, one hundred seventy-four million, six hundred sixty-one thousand, five hundred sixteen".