6664162064 has 40 divisors (see below), whose sum is σ = 14841698880. Its totient is φ = 2839552128.

The previous prime is 6664162031. The next prime is 6664162069. The reversal of 6664162064 is 4602614666.

It is a super-2 number, since 2×6664162064² = 88822112030513480192, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6664162069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152594 + ... + 191345.

It is an arithmetic number, because the mean of its divisors is an integer number (371042472).

Almost surely, 2^6664162064 is an apocalyptic number.

It is an amenable number.

6664162064 is an abundant number, since it is smaller than the sum of its proper divisors (8177536816).

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

6664162064 is a wasteful number, since it uses less digits than its factorization.

6664162064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344127 (or 344121 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 41.

The square root of 6664162064 is about 81634.3191556100. The cubic root of 6664162064 is about 1881.8363361054.

The spelling of 6664162064 in words is "six billion, six hundred sixty-four million, one hundred sixty-two thousand, sixty-four".