1516995507 has 18 divisors (see below), whose sum is σ = 2051025132. Its totient is φ = 997343424.

The previous prime is 1516995499. The next prime is 1516995563. The reversal of 1516995507 is 7055996151.

It is not a de Polignac number, because 1516995507 - 2³ = 1516995499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1516915507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7622994 + ... + 7623192.

Almost surely, 2^1516995507 is an apocalyptic number.

1516995507 is a deficient number, since it is larger than the sum of its proper divisors (534029625).

1516995507 is an frugal number, since it uses more digits than its factorization.

1516995507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627 (or 315 counting only the distinct ones).

The product of its (nonzero) digits is 425250, while the sum is 48.

The square root of 1516995507 is about 38948.6265098013. The cubic root of 1516995507 is about 1149.0213493826.

Multiplying 1516995507 by its sum of digits (48), we get a square (72815784336 = 269844²).

The spelling of 1516995507 in words is "one billion, five hundred sixteen million, nine hundred ninety-five thousand, five hundred seven".