1616412928 has 36 divisors (see below), whose sum is σ = 3474712108. Its totient is φ = 746035200.

The previous prime is 1616412923. The next prime is 1616412971. The reversal of 1616412928 is 8292146161.

It can be written as a sum of positive squares in 2 ways, for example, as 211062784 + 1405350144 = 14528^2 + 37488^2 .

It is a super-2 number, since 2×1616412928² = 5225581507611066368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1616412923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239523 + ... + 246178.

Almost surely, 2^1616412928 is an apocalyptic number.

It is an amenable number.

1616412928 is an abundant number, since it is smaller than the sum of its proper divisors (1858299180).

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

1616412928 is an equidigital number, since it uses as much as digits as its factorization.

1616412928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485730 (or 485716 counting only the distinct ones).

The product of its digits is 41472, while the sum is 40.

The square root of 1616412928 is about 40204.6381403937. The cubic root of 1616412928 is about 1173.5928053340.

It can be divided in two parts, 16164 and 12928, that added together give a palindrome (29092).

The spelling of 1616412928 in words is "one billion, six hundred sixteen million, four hundred twelve thousand, nine hundred twenty-eight".