2978684016 has 160 divisors (see below), whose sum is σ = 9729662976. Its totient is φ = 762720000.

The previous prime is 2978683993. The next prime is 2978684141. The reversal of 2978684016 is 6104868792.

It is a self number, because there is not a number n which added to its sum of digits gives 2978684016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 256741 + ... + 268091.

Almost surely, 2^2978684016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2978684016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4864831488).

2978684016 is an abundant number, since it is smaller than the sum of its proper divisors (6750978960).

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

2978684016 is a wasteful number, since it uses less digits than its factorization.

2978684016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11451 (or 11445 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 51.

The square root of 2978684016 is about 54577.3214439844. The cubic root of 2978684016 is about 1438.8255624725.

The spelling of 2978684016 in words is "two billion, nine hundred seventy-eight million, six hundred eighty-four thousand, sixteen".