2580178916 has 24 divisors (see below), whose sum is σ = 5384722560. Its totient is φ = 1057712832.

The previous prime is 2580178903. The next prime is 2580178957. The reversal of 2580178916 is 6198710852.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2002601 + ... + 2003888.

It is an arithmetic number, because the mean of its divisors is an integer number (224363440).

Almost surely, 2^2580178916 is an apocalyptic number.

It is an amenable number.

2580178916 is an abundant number, since it is smaller than the sum of its proper divisors (2804543644).

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

2580178916 is a wasteful number, since it uses less digits than its factorization.

2580178916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4006523 (or 4006521 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 47.

The square root of 2580178916 is about 50795.4615689237. The cubic root of 2580178916 is about 1371.5656733945.

The spelling of 2580178916 in words is "two billion, five hundred eighty million, one hundred seventy-eight thousand, nine hundred sixteen".