6786616403 has 16 divisors (see below), whose sum is σ = 8167488000. Its totient is φ = 5508819072.

The previous prime is 6786616399. The next prime is 6786616433. The reversal of 6786616403 is 3046166876.

It is a cyclic number.

It is not a de Polignac number, because 6786616403 - 2² = 6786616399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6786616433) 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, 402578 + ... + 419096.

It is an arithmetic number, because the mean of its divisors is an integer number (510468000).

Almost surely, 2^6786616403 is an apocalyptic number.

6786616403 is a deficient number, since it is larger than the sum of its proper divisors (1380871597).

6786616403 is a wasteful number, since it uses less digits than its factorization.

6786616403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19634.

The product of its (nonzero) digits is 870912, while the sum is 47.

The square root of 6786616403 is about 82380.9225670604. The cubic root of 6786616403 is about 1893.2927309540.

The spelling of 6786616403 in words is "six billion, seven hundred eighty-six million, six hundred sixteen thousand, four hundred three".