2628167328 has 36 divisors (see below), whose sum is σ = 7473851658. Its totient is φ = 876055680.

The previous prime is 2628167327. The next prime is 2628167341. The reversal of 2628167328 is 8237618262.

2628167328 is a `hidden beast` number, since 2 + 628 + 16 + 7 + 3 + 2 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1898519184 + 729648144 = 43572^2 + 27012^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (2628167323) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4562503 + ... + 4563078.

Almost surely, 2^2628167328 is an apocalyptic number.

It is an amenable number.

2628167328 is an abundant number, since it is smaller than the sum of its proper divisors (4845684330).

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

2628167328 is a wasteful number, since it uses less digits than its factorization.

2628167328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9125597 (or 9125586 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 2628167328 is about 51265.6544676843. The cubic root of 2628167328 is about 1380.0166853685.

The spelling of 2628167328 in words is "two billion, six hundred twenty-eight million, one hundred sixty-seven thousand, three hundred twenty-eight".