1600791845 has 4 divisors (see below), whose sum is σ = 1920950220. Its totient is φ = 1280633472.

The previous prime is 1600791839. The next prime is 1600791869. The reversal of 1600791845 is 5481970061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5481970061 = 37 ⋅148161353.

It can be written as a sum of positive squares in 2 ways, for example, as 392951329 + 1207840516 = 19823^2 + 34754^2 .

It is a cyclic number.

It is not a de Polignac number, because 1600791845 - 2⁸ = 1600791589 is a prime.

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, 160079180 + ... + 160079189.

It is an arithmetic number, because the mean of its divisors is an integer number (480237555).

Almost surely, 2^1600791845 is an apocalyptic number.

It is an amenable number.

1600791845 is a deficient number, since it is larger than the sum of its proper divisors (320158375).

1600791845 is an equidigital number, since it uses as much as digits as its factorization.

1600791845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320158374.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 1600791845 is about 40009.8968381574. The cubic root of 1600791845 is about 1169.8000108660.

The spelling of 1600791845 in words is "one billion, six hundred million, seven hundred ninety-one thousand, eight hundred forty-five".