1516507149 has 16 divisors (see below), whose sum is σ = 2058739200. Its totient is φ = 992681136.

The previous prime is 1516507133. The next prime is 1516507159. The reversal of 1516507149 is 9417056151.

It is not a de Polignac number, because 1516507149 - 2⁴ = 1516507133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1516507129) 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, 158002 + ... + 167324.

It is an arithmetic number, because the mean of its divisors is an integer number (128671200).

Almost surely, 2^1516507149 is an apocalyptic number.

It is an amenable number.

1516507149 is a deficient number, since it is larger than the sum of its proper divisors (542232051).

1516507149 is an equidigital number, since it uses as much as digits as its factorization.

1516507149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10304.

The product of its (nonzero) digits is 37800, while the sum is 39.

The square root of 1516507149 is about 38942.3567468637. The cubic root of 1516507149 is about 1148.8980367798.

The spelling of 1516507149 in words is "one billion, five hundred sixteen million, five hundred seven thousand, one hundred forty-nine".