1646130099 has 16 divisors (see below), whose sum is σ = 2234628000. Its totient is φ = 1077705216.

The previous prime is 1646130067. The next prime is 1646130137. The reversal of 1646130099 is 9900316461.

It is not a de Polignac number, because 1646130099 - 2⁵ = 1646130067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1646130049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14677 + ... + 59225.

It is an arithmetic number, because the mean of its divisors is an integer number (139664250).

Almost surely, 2^1646130099 is an apocalyptic number.

1646130099 is a deficient number, since it is larger than the sum of its proper divisors (588497901).

1646130099 is a wasteful number, since it uses less digits than its factorization.

1646130099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44774.

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 1646130099 is about 40572.5288711463. The cubic root of 1646130099 is about 1180.7412031457.

The spelling of 1646130099 in words is "one billion, six hundred forty-six million, one hundred thirty thousand, ninety-nine".