1640613416 has 32 divisors (see below), whose sum is σ = 3322855200. Its totient is φ = 754902720.

The previous prime is 1640613343. The next prime is 1640613431. The reversal of 1640613416 is 6143160461.

It is a super-2 number, since 2×1640613416² = 5383224761518378112, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10595 + ... + 58253.

It is an arithmetic number, because the mean of its divisors is an integer number (103839225).

Almost surely, 2^1640613416 is an apocalyptic number.

It is an amenable number.

1640613416 is an abundant number, since it is smaller than the sum of its proper divisors (1682241784).

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

1640613416 is a wasteful number, since it uses less digits than its factorization.

1640613416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48009 (or 48005 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 1640613416 is about 40504.4863687962. The cubic root of 1640613416 is about 1179.4207192114.

Adding to 1640613416 its reverse (6143160461), we get a palindrome (7783773877).

The spelling of 1640613416 in words is "one billion, six hundred forty million, six hundred thirteen thousand, four hundred sixteen".