6615663414 has 32 divisors (see below), whose sum is σ = 13494345984. Its totient is φ = 2161467360.

The previous prime is 6615663413. The next prime is 6615663427. The reversal of 6615663414 is 4143665166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6615663413) 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, 328249 + ... + 347819.

It is an arithmetic number, because the mean of its divisors is an integer number (421698312).

Almost surely, 2^6615663414 is an apocalyptic number.

6615663414 is an abundant number, since it is smaller than the sum of its proper divisors (6878682570).

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

6615663414 is a wasteful number, since it uses less digits than its factorization.

6615663414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20692.

The product of its digits is 311040, while the sum is 42.

The square root of 6615663414 is about 81336.7285671117. The cubic root of 6615663414 is about 1877.2601759034.

The spelling of 6615663414 in words is "six billion, six hundred fifteen million, six hundred sixty-three thousand, four hundred fourteen".