2541660078 has 16 divisors (see below), whose sum is σ = 5191476480. Its totient is φ = 829193976.

The previous prime is 2541660067. The next prime is 2541660097. The reversal of 2541660078 is 8700661452.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4506208 + ... + 4506771.

It is an arithmetic number, because the mean of its divisors is an integer number (324467280).

Almost surely, 2^2541660078 is an apocalyptic number.

2541660078 is an abundant number, since it is smaller than the sum of its proper divisors (2649816402).

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

2541660078 is a wasteful number, since it uses less digits than its factorization.

2541660078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9013031.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 2541660078 is about 50414.8795297579. The cubic root of 2541660078 is about 1364.7061724492.

The spelling of 2541660078 in words is "two billion, five hundred forty-one million, six hundred sixty thousand, seventy-eight".