1516506516 has 96 divisors (see below), whose sum is σ = 4538069760. Its totient is φ = 428976000.

The previous prime is 1516506503. The next prime is 1516506517. The reversal of 1516506516 is 6156056151.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1516506517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66426 + ... + 86286.

It is an arithmetic number, because the mean of its divisors is an integer number (47271560).

Almost surely, 2^1516506516 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1516506516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2269034880).

1516506516 is an abundant number, since it is smaller than the sum of its proper divisors (3021563244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1516506516 is a wasteful number, since it uses less digits than its factorization.

1516506516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19982 (or 19974 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The square root of 1516506516 is about 38942.3486194657. The cubic root of 1516506516 is about 1148.8978769273.

The spelling of 1516506516 in words is "one billion, five hundred sixteen million, five hundred six thousand, five hundred sixteen".