664015350 has 48 divisors (see below), whose sum is σ = 1699891200. Its totient is φ = 171357600.

The previous prime is 664015337. The next prime is 664015361. The reversal of 664015350 is 53510466.

664015350 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66750 + ... + 76049.

It is an arithmetic number, because the mean of its divisors is an integer number (35414400).

Almost surely, 2^664015350 is an apocalyptic number.

664015350 is an abundant number, since it is smaller than the sum of its proper divisors (1035875850).

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

664015350 is a wasteful number, since it uses less digits than its factorization.

664015350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142845 (or 142840 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 664015350 is about 25768.4952994931. The cubic root of 664015350 is about 872.4208569083.

The spelling of 664015350 in words is "six hundred sixty-four million, fifteen thousand, three hundred fifty".