1598944816 has 40 divisors (see below), whose sum is σ = 3593381120. Its totient is φ = 675031104.

The previous prime is 1598944813. The next prime is 1598944817. The reversal of 1598944816 is 6184498951.

It is a super-2 number, since 2×1598944816² = 5113249049226547712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1598944813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99036 + ... + 114043.

It is an arithmetic number, because the mean of its divisors is an integer number (89834528).

Almost surely, 2^1598944816 is an apocalyptic number.

1598944816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1598944816 is an abundant number, since it is smaller than the sum of its proper divisors (1994436304).

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

1598944816 is a wasteful number, since it uses less digits than its factorization.

1598944816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213161 (or 213155 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 55.

The square root of 1598944816 is about 39986.8080246473. The cubic root of 1598944816 is about 1169.3499240151.

The spelling of 1598944816 in words is "one billion, five hundred ninety-eight million, nine hundred forty-four thousand, eight hundred sixteen".