1599346945 has 32 divisors (see below), whose sum is σ = 2362567680. Its totient is φ = 1014793920.

The previous prime is 1599346937. The next prime is 1599346949. The reversal of 1599346945 is 5496439951.

It is not a de Polignac number, because 1599346945 - 2³ = 1599346937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1599346949) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 630 + ... + 56560.

It is an arithmetic number, because the mean of its divisors is an integer number (73830240).

Almost surely, 2^1599346945 is an apocalyptic number.

It is an amenable number.

1599346945 is a deficient number, since it is larger than the sum of its proper divisors (763220735).

1599346945 is a wasteful number, since it uses less digits than its factorization.

1599346945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56005.

The product of its digits is 5248800, while the sum is 55.

The square root of 1599346945 is about 39991.8359793596. The cubic root of 1599346945 is about 1169.4479449299.

The spelling of 1599346945 in words is "one billion, five hundred ninety-nine million, three hundred forty-six thousand, nine hundred forty-five".