6402661614 has 12 divisors (see below), whose sum is σ = 13872433536. Its totient is φ = 2134220532.

The previous prime is 6402661607. The next prime is 6402661619. The reversal of 6402661614 is 4161662046.

6402661614 is a `hidden beast` number, since 6 + 4 + 0 + 26 + 616 + 14 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6402661619) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 177851694 + ... + 177851729.

It is an arithmetic number, because the mean of its divisors is an integer number (1156036128).

Almost surely, 2^6402661614 is an apocalyptic number.

6402661614 is an abundant number, since it is smaller than the sum of its proper divisors (7469771922).

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

6402661614 is a wasteful number, since it uses less digits than its factorization.

6402661614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355703431 (or 355703428 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 6402661614 is about 80016.6333583212. The cubic root of 6402661614 is about 1856.8928752288.

The spelling of 6402661614 in words is "six billion, four hundred two million, six hundred sixty-one thousand, six hundred fourteen".