1598016645 has 24 divisors (see below), whose sum is σ = 2795790816. Its totient is φ = 844307808.

The previous prime is 1598016619. The next prime is 1598016649. The reversal of 1598016645 is 5466108951.

1598016645 is a `hidden beast` number, since 1 + 598 + 0 + 16 + 6 + 45 = 666.

It is not a de Polignac number, because 1598016645 - 2⁸ = 1598016389 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1598016645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1598016649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 161127 + ... + 170756.

It is an arithmetic number, because the mean of its divisors is an integer number (116491284).

Almost surely, 2^1598016645 is an apocalyptic number.

1598016645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1598016645 is a deficient number, since it is larger than the sum of its proper divisors (1197774171).

1598016645 is a wasteful number, since it uses less digits than its factorization.

1598016645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332001 (or 331998 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The square root of 1598016645 is about 39975.2003747323. The cubic root of 1598016645 is about 1169.1236150231.

The spelling of 1598016645 in words is "one billion, five hundred ninety-eight million, sixteen thousand, six hundred forty-five".