1608314420 has 12 divisors (see below), whose sum is σ = 3377460324. Its totient is φ = 643325760.

The previous prime is 1608314387. The next prime is 1608314443. The reversal of 1608314420 is 244138061.

It can be written as a sum of positive squares in 2 ways, for example, as 506340004 + 1101974416 = 22502^2 + 33196^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40207841 + ... + 40207880.

It is an arithmetic number, because the mean of its divisors is an integer number (281455027).

Almost surely, 2^1608314420 is an apocalyptic number.

1608314420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1608314420 is an abundant number, since it is smaller than the sum of its proper divisors (1769145904).

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

1608314420 is a wasteful number, since it uses less digits than its factorization.

1608314420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80415730 (or 80415728 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 1608314420 is about 40103.7955809671. The cubic root of 1608314420 is about 1171.6295553707.

It can be divided in two parts, 16083 and 14420, that added together give a palindrome (30503).

The spelling of 1608314420 in words is "one billion, six hundred eight million, three hundred fourteen thousand, four hundred twenty".