664042362 has 32 divisors (see below), whose sum is σ = 1405273920. Its totient is φ = 208604160.

The previous prime is 664042303. The next prime is 664042369. The reversal of 664042362 is 263240466.

It is not an unprimeable number, because it can be changed into a prime (664042369) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6912 + ... + 37092.

It is an arithmetic number, because the mean of its divisors is an integer number (43914810).

Almost surely, 2^664042362 is an apocalyptic number.

664042362 is an abundant number, since it is smaller than the sum of its proper divisors (741231558).

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

664042362 is a wasteful number, since it uses less digits than its factorization.

664042362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30398.

The product of its (nonzero) digits is 41472, while the sum is 33.

The square root of 664042362 is about 25769.0194225547. The cubic root of 664042362 is about 872.4326867115.

The spelling of 664042362 in words is "six hundred sixty-four million, forty-two thousand, three hundred sixty-two".