6669412464 has 80 divisors (see below), whose sum is σ = 20241454464. Its totient is φ = 1865568000.

The previous prime is 6669412439. The next prime is 6669412481. The reversal of 6669412464 is 4642149666.

It is a super-2 number, since 2×6669412464² = 88962125229917102592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 478962 + ... + 492689.

Almost surely, 2^6669412464 is an apocalyptic number.

It is an amenable number.

6669412464 is an abundant number, since it is smaller than the sum of its proper divisors (13572042000).

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

6669412464 is a wasteful number, since it uses less digits than its factorization.

6669412464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971686 (or 971680 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 48.

The square root of 6669412464 is about 81666.4708677925. The cubic root of 6669412464 is about 1882.3304117178.

The spelling of 6669412464 in words is "six billion, six hundred sixty-nine million, four hundred twelve thousand, four hundred sixty-four".