1616341564 has 24 divisors (see below), whose sum is σ = 2943692640. Its totient is φ = 775621056.

The previous prime is 1616341553. The next prime is 1616341591. The reversal of 1616341564 is 4651436161.

It is a super-2 number, since 2×1616341564² = 5225120103027932192, which contains 22 as substring.

It is a congruent number.

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, 22347 + ... + 61090.

It is an arithmetic number, because the mean of its divisors is an integer number (122653860).

Almost surely, 2^1616341564 is an apocalyptic number.

It is an amenable number.

1616341564 is a deficient number, since it is larger than the sum of its proper divisors (1327351076).

1616341564 is a wasteful number, since it uses less digits than its factorization.

1616341564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83637 (or 83635 counting only the distinct ones).

The product of its digits is 51840, while the sum is 37.

The square root of 1616341564 is about 40203.7506210552. The cubic root of 1616341564 is about 1173.5755338583.

The spelling of 1616341564 in words is "one billion, six hundred sixteen million, three hundred forty-one thousand, five hundred sixty-four".