1646130116 has 24 divisors (see below), whose sum is σ = 2923787160. Its totient is φ = 810830592.

The previous prime is 1646130067. The next prime is 1646130137. The reversal of 1646130116 is 6110316461.

It can be written as a sum of positive squares in 4 ways, for example, as 69722500 + 1576407616 = 8350^2 + 39704^2 .

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, 90266 + ... + 106958.

It is an arithmetic number, because the mean of its divisors is an integer number (121824465).

Almost surely, 2^1646130116 is an apocalyptic number.

It is an amenable number.

1646130116 is a deficient number, since it is larger than the sum of its proper divisors (1277657044).

1646130116 is a wasteful number, since it uses less digits than its factorization.

1646130116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17063 (or 17061 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 1646130116 is about 40572.5290806477. The cubic root of 1646130116 is about 1180.7412072103.

Adding to 1646130116 its reverse (6110316461), we get a palindrome (7756446577).

The spelling of 1646130116 in words is "one billion, six hundred forty-six million, one hundred thirty thousand, one hundred sixteen".