1516505506 has 32 divisors (see below), whose sum is σ = 2436915456. Its totient is φ = 706200000.

The previous prime is 1516505503. The next prime is 1516505527. The reversal of 1516505506 is 6055056151.

It is not an unprimeable number, because it can be changed into a prime (1516505503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 280731 + ... + 286081.

It is an arithmetic number, because the mean of its divisors is an integer number (76153608).

Almost surely, 2^1516505506 is an apocalyptic number.

1516505506 is a deficient number, since it is larger than the sum of its proper divisors (920409950).

1516505506 is a wasteful number, since it uses less digits than its factorization.

1516505506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5538.

The product of its (nonzero) digits is 22500, while the sum is 34.

The square root of 1516505506 is about 38942.3356515759. The cubic root of 1516505506 is about 1148.8976218702.

The spelling of 1516505506 in words is "one billion, five hundred sixteen million, five hundred five thousand, five hundred six".