4561516506 has 16 divisors (see below), whose sum is σ = 9126453024. Its totient is φ = 1519935504.

The previous prime is 4561516493. The next prime is 4561516507. The reversal of 4561516506 is 6056151654.

It is not an unprimeable number, because it can be changed into a prime (4561516507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124996 + ... + 157311.

It is an arithmetic number, because the mean of its divisors is an integer number (570403314).

Almost surely, 2^4561516506 is an apocalyptic number.

4561516506 is an abundant number, since it is smaller than the sum of its proper divisors (4564936518).

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

4561516506 is a wasteful number, since it uses less digits than its factorization.

4561516506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285005.

The product of its (nonzero) digits is 108000, while the sum is 39.

The square root of 4561516506 is about 67538.9998889530. Note that the first 3 decimals coincide. The cubic root of 4561516506 is about 1658.4526765544.

The spelling of 4561516506 in words is "four billion, five hundred sixty-one million, five hundred sixteen thousand, five hundred six".