1600516749 has 8 divisors (see below), whose sum is σ = 2298177952. Its totient is φ = 984933360.

The previous prime is 1600516739. The next prime is 1600516759. The reversal of 1600516749 is 9476150061.

It is an interprime number because it is at equal distance from previous prime (1600516739) and next prime (1600516759).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1600516749 - 2⁹ = 1600516237 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 41038891 = 1600516749 / (1 + 6 + 0 + 0 + 5 + 1 + 6 + 7 + 4 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1600516739) 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 7 ways as a sum of consecutive naturals, for example, 20519407 + ... + 20519484.

It is an arithmetic number, because the mean of its divisors is an integer number (287272244).

Almost surely, 2^1600516749 is an apocalyptic number.

It is an amenable number.

1600516749 is a deficient number, since it is larger than the sum of its proper divisors (697661203).

1600516749 is a wasteful number, since it uses less digits than its factorization.

1600516749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41038907.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 1600516749 is about 40006.4588410422. The cubic root of 1600516749 is about 1169.7329970022.

The spelling of 1600516749 in words is "one billion, six hundred million, five hundred sixteen thousand, seven hundred forty-nine".