2505016166 has 4 divisors (see below), whose sum is σ = 3757524252. Its totient is φ = 1252508082.

The previous prime is 2505016133. The next prime is 2505016177. The reversal of 2505016166 is 6616105052.

2505016166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626254040 + ... + 626254043.

It is an arithmetic number, because the mean of its divisors is an integer number (939381063).

Almost surely, 2^2505016166 is an apocalyptic number.

2505016166 is a deficient number, since it is larger than the sum of its proper divisors (1252508086).

2505016166 is a wasteful number, since it uses less digits than its factorization.

2505016166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252508085.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 2505016166 is about 50050.1365232903. The cubic root of 2505016166 is about 1358.1159331531.

The spelling of 2505016166 in words is "two billion, five hundred five million, sixteen thousand, one hundred sixty-six".