2081061078 has 32 divisors (see below), whose sum is σ = 4333202016. Its totient is φ = 665687808.

The previous prime is 2081061077. The next prime is 2081061107. The reversal of 2081061078 is 8701601802.

It is a happy number.

2081061078 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2081061077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48001 + ... + 80412.

It is an arithmetic number, because the mean of its divisors is an integer number (135412563).

Almost surely, 2^2081061078 is an apocalyptic number.

2081061078 is an abundant number, since it is smaller than the sum of its proper divisors (2252140938).

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

2081061078 is a wasteful number, since it uses less digits than its factorization.

2081061078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128528.

The product of its (nonzero) digits is 5376, while the sum is 33.

The square root of 2081061078 is about 45618.6483578810. The cubic root of 2081061078 is about 1276.7178848881.

The spelling of 2081061078 in words is "two billion, eighty-one million, sixty-one thousand, seventy-eight".