506356664 has 32 divisors (see below), whose sum is σ = 1050330240. Its totient is φ = 226917600.

The previous prime is 506356663. The next prime is 506356673. The reversal of 506356664 is 466653605.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506356663) 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, 34274 + ... + 46769.

It is an arithmetic number, because the mean of its divisors is an integer number (32822820).

Almost surely, 2^506356664 is an apocalyptic number.

It is an amenable number.

506356664 is an abundant number, since it is smaller than the sum of its proper divisors (543973576).

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

506356664 is a wasteful number, since it uses less digits than its factorization.

506356664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81131 (or 81127 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 41.

The square root of 506356664 is about 22502.3701862715. The cubic root of 506356664 is about 797.0498969877.

The spelling of 506356664 in words is "five hundred six million, three hundred fifty-six thousand, six hundred sixty-four".