6615802042 has 16 divisors (see below), whose sum is σ = 10685545920. Its totient is φ = 3060549568.

The previous prime is 6615802007. The next prime is 6615802043. The reversal of 6615802042 is 2402085166.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 6615801989 and 6615802007.

It is not an unprimeable number, because it can be changed into a prime (6615802043) 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, 1646998 + ... + 1651009.

It is an arithmetic number, because the mean of its divisors is an integer number (667846620).

Almost surely, 2^6615802042 is an apocalyptic number.

6615802042 is a deficient number, since it is larger than the sum of its proper divisors (4069743878).

6615802042 is a wasteful number, since it uses less digits than its factorization.

6615802042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3298085.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 6615802042 is about 81337.5807483847. The cubic root of 6615802042 is about 1877.2732881690.

The spelling of 6615802042 in words is "six billion, six hundred fifteen million, eight hundred two thousand, forty-two".