2616816078 has 96 divisors (see below), whose sum is σ = 6173845920. Its totient is φ = 821456640.

The previous prime is 2616816071. The next prime is 2616816079. The reversal of 2616816078 is 8706186162.

It is a happy number.

2616816078 is a `hidden beast` number, since 26 + 16 + 8 + 1 + 607 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2616816071) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4697776 + ... + 4698332.

It is an arithmetic number, because the mean of its divisors is an integer number (64310895).

Almost surely, 2^2616816078 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2616816078, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3086922960).

2616816078 is an abundant number, since it is smaller than the sum of its proper divisors (3557029842).

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

2616816078 is a wasteful number, since it uses less digits than its factorization.

2616816078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847 (or 822 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 2616816078 is about 51154.8245818515. The cubic root of 2616816078 is about 1378.0270199025.

The spelling of 2616816078 in words is "two billion, six hundred sixteen million, eight hundred sixteen thousand, seventy-eight".