6615682445 has 16 divisors (see below), whose sum is σ = 7967211840. Its totient is φ = 5273654400.

The previous prime is 6615682439. The next prime is 6615682477. The reversal of 6615682445 is 5442865166.

6615682445 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6615682445 - 2⁴ = 6615682429 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6615682445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1984430 + ... + 1987760.

It is an arithmetic number, because the mean of its divisors is an integer number (497950740).

Almost surely, 2^6615682445 is an apocalyptic number.

It is an amenable number.

6615682445 is a deficient number, since it is larger than the sum of its proper divisors (1351529395).

6615682445 is a wasteful number, since it uses less digits than its factorization.

6615682445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4636.

The product of its digits is 1382400, while the sum is 47.

The square root of 6615682445 is about 81336.8455559963. The cubic root of 6615682445 is about 1877.2619759801.

The spelling of 6615682445 in words is "six billion, six hundred fifteen million, six hundred eighty-two thousand, four hundred forty-five".