6660346413 has 24 divisors (see below), whose sum is σ = 10341390528. Its totient is φ = 3801838656.

The previous prime is 6660346403. The next prime is 6660346439. The reversal of 6660346413 is 3146430666.

It is not a de Polignac number, because 6660346413 - 2¹⁶ = 6660280877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6660346403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 116320 + ... + 163862.

It is an arithmetic number, because the mean of its divisors is an integer number (430891272).

Almost surely, 2^6660346413 is an apocalyptic number.

It is an amenable number.

6660346413 is a deficient number, since it is larger than the sum of its proper divisors (3681044115).

6660346413 is a wasteful number, since it uses less digits than its factorization.

6660346413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48513 (or 48506 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 39.

The square root of 6660346413 is about 81610.9454240055. The cubic root of 6660346413 is about 1881.4771110705.

The spelling of 6660346413 in words is "six billion, six hundred sixty million, three hundred forty-six thousand, four hundred thirteen".