2580166434 has 16 divisors (see below), whose sum is σ = 5187072672. Its totient is φ = 855598848.

The previous prime is 2580166411. The next prime is 2580166451. The reversal of 2580166434 is 4346610852.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2580166392 and 2580166401.

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, 1112904 + ... + 1115219.

It is an arithmetic number, because the mean of its divisors is an integer number (324192042).

Almost surely, 2^2580166434 is an apocalyptic number.

2580166434 is an abundant number, since it is smaller than the sum of its proper divisors (2606906238).

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

2580166434 is a wasteful number, since it uses less digits than its factorization.

2580166434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2228321.

The product of its (nonzero) digits is 138240, while the sum is 39.

The square root of 2580166434 is about 50795.3387034677. The cubic root of 2580166434 is about 1371.5634616732.

It can be divided in two parts, 25801 and 66434, that added together give a triangular number (92235 = T₄₂₉).

The spelling of 2580166434 in words is "two billion, five hundred eighty million, one hundred sixty-six thousand, four hundred thirty-four".