1602371859 has 16 divisors (see below), whose sum is σ = 2453393280. Its totient is φ = 920021760.

The previous prime is 1602371857. The next prime is 1602371863. The reversal of 1602371859 is 9581732061.

It is not a de Polignac number, because 1602371859 - 2¹ = 1602371857 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1602371859.

It is not an unprimeable number, because it can be changed into a prime (1602371857) 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 15 ways as a sum of consecutive naturals, for example, 1277182 + ... + 1278435.

It is an arithmetic number, because the mean of its divisors is an integer number (153337080).

Almost surely, 2^1602371859 is an apocalyptic number.

1602371859 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1602371859 is a deficient number, since it is larger than the sum of its proper divisors (851021421).

1602371859 is a wasteful number, since it uses less digits than its factorization.

1602371859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2555650.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 1602371859 is about 40029.6372579118. The cubic root of 1602371859 is about 1170.1847564176.

The spelling of 1602371859 in words is "one billion, six hundred two million, three hundred seventy-one thousand, eight hundred fifty-nine".