3278378160 has 60 divisors (see below), whose sum is σ = 11009889072. Its totient is φ = 874233984.

The previous prime is 3278378153. The next prime is 3278378177. The reversal of 3278378160 is 618738723.

3278378160 is a `hidden beast` number, since 3 + 278 + 378 + 1 + 6 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2275932 + ... + 2277371.

Almost surely, 2^3278378160 is an apocalyptic number.

3278378160 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3278378160 is an abundant number, since it is smaller than the sum of its proper divisors (7731510912).

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

3278378160 is a wasteful number, since it uses less digits than its factorization.

3278378160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4553322 (or 4553313 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 3278378160 is about 57257.1232249752. The cubic root of 3278378160 is about 1485.5468380248.

The spelling of 3278378160 in words is "three billion, two hundred seventy-eight million, three hundred seventy-eight thousand, one hundred sixty".