1516765537 has 16 divisors (see below), whose sum is σ = 1754138880. Its totient is φ = 1284622272.

The previous prime is 1516765513. The next prime is 1516765541. The reversal of 1516765537 is 7355676151.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1516765537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1516765507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 364923 + ... + 369055.

It is an arithmetic number, because the mean of its divisors is an integer number (109633680).

Almost surely, 2^1516765537 is an apocalyptic number.

It is an amenable number.

1516765537 is a deficient number, since it is larger than the sum of its proper divisors (237373343).

1516765537 is a wasteful number, since it uses less digits than its factorization.

1516765537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4752.

The product of its digits is 661500, while the sum is 46.

The square root of 1516765537 is about 38945.6741757027. The cubic root of 1516765537 is about 1148.9632842154.

The spelling of 1516765537 in words is "one billion, five hundred sixteen million, seven hundred sixty-five thousand, five hundred thirty-seven".