1616963313 has 16 divisors (see below), whose sum is σ = 2608882560. Its totient is φ = 869627136.

The previous prime is 1616963311. The next prime is 1616963323. The reversal of 1616963313 is 3133696161.

It is a happy number.

It is not a de Polignac number, because 1616963313 - 2¹ = 1616963311 is a prime.

It is a super-2 number, since 2×1616963313² = 5229140711175871938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1616963311) 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, 2264298 + ... + 2265011.

It is an arithmetic number, because the mean of its divisors is an integer number (163055160).

Almost surely, 2^1616963313 is an apocalyptic number.

It is an amenable number.

1616963313 is a deficient number, since it is larger than the sum of its proper divisors (991919247).

1616963313 is a wasteful number, since it uses less digits than its factorization.

1616963313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4529336.

The product of its digits is 52488, while the sum is 39.

The square root of 1616963313 is about 40211.4823526813. The cubic root of 1616963313 is about 1173.7259921302.

The spelling of 1616963313 in words is "one billion, six hundred sixteen million, nine hundred sixty-three thousand, three hundred thirteen".