334655664 has 240 divisors, whose sum is σ = 1088501760. Its totient is φ = 86676480.

The previous prime is 334655647. The next prime is 334655669. The reversal of 334655664 is 466556433.

It is a happy number.

It is a super-2 number, since 2×334655664² = 223988826894561792, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (334655669) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3760132 + ... + 3760220.

It is an arithmetic number, because the mean of its divisors is an integer number (4535424).

Almost surely, 2^334655664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 334655664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (544250880).

334655664 is an abundant number, since it is smaller than the sum of its proper divisors (753846096).

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

334655664 is a wasteful number, since it uses less digits than its factorization.

334655664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176 (or 151 counting only the distinct ones).

The product of its digits is 777600, while the sum is 42.

The square root of 334655664 is about 18293.5962566140. The cubic root of 334655664 is about 694.2769175090.

The spelling of 334655664 in words is "three hundred thirty-four million, six hundred fifty-five thousand, six hundred sixty-four".