1600978323 has 36 divisors (see below), whose sum is σ = 2620807560. Its totient is φ = 866666304.

The previous prime is 1600978303. The next prime is 1600978331. The reversal of 1600978323 is 3238790061.

It is not a de Polignac number, because 1600978323 - 2⁶ = 1600978259 is a prime.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1600978303) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 37983 + ... + 68151.

It is an arithmetic number, because the mean of its divisors is an integer number (72800210).

Almost surely, 2^1600978323 is an apocalyptic number.

1600978323 is a deficient number, since it is larger than the sum of its proper divisors (1019829237).

1600978323 is a wasteful number, since it uses less digits than its factorization.

1600978323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30224 (or 30198 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 1600978323 is about 40012.2271687043. The cubic root of 1600978323 is about 1169.8454328649.

The spelling of 1600978323 in words is "one billion, six hundred million, nine hundred seventy-eight thousand, three hundred twenty-three".