303378164 has 12 divisors (see below), whose sum is σ = 549219300. Its totient is φ = 146458368.

The previous prime is 303378161. The next prime is 303378169. The reversal of 303378164 is 461873303.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 48720400 + 254657764 = 6980^2 + 15958^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303378161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1307549 + ... + 1307780.

It is an arithmetic number, because the mean of its divisors is an integer number (45768275).

Almost surely, 2^303378164 is an apocalyptic number.

It is an amenable number.

303378164 is a deficient number, since it is larger than the sum of its proper divisors (245841136).

303378164 is a wasteful number, since it uses less digits than its factorization.

303378164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2615362 (or 2615360 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 303378164 is about 17417.7542754512. The cubic root of 303378164 is about 671.9363040771.

The spelling of 303378164 in words is "three hundred three million, three hundred seventy-eight thousand, one hundred sixty-four".