6611516506 has 32 divisors (see below), whose sum is σ = 11778278400. Its totient is φ = 2723673600.

The previous prime is 6611516501. The next prime is 6611516531. The reversal of 6611516506 is 6056151166.

It is a super-2 number, since 2×6611516506² = 87424301018220896072, which contains 22 as substring.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (6611516501) 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, 13546 + ... + 115786.

It is an arithmetic number, because the mean of its divisors is an integer number (368071200).

Almost surely, 2^6611516506 is an apocalyptic number.

6611516506 is a deficient number, since it is larger than the sum of its proper divisors (5166761894).

6611516506 is a wasteful number, since it uses less digits than its factorization.

6611516506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102430.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 6611516506 is about 81311.2323483047. The cubic root of 6611516506 is about 1876.8678518127.

It can be divided in two parts, 66115 and 16506, that added together give a triangular number (82621 = T₄₀₆).

The spelling of 6611516506 in words is "six billion, six hundred eleven million, five hundred sixteen thousand, five hundred six".