2505534166 has 4 divisors (see below), whose sum is σ = 3758301252. Its totient is φ = 1252767082.

The previous prime is 2505534151. The next prime is 2505534167. The reversal of 2505534166 is 6614355052.

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

It is a super-3 number, since 3×2505534166³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505534167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626383540 + ... + 626383543.

It is an arithmetic number, because the mean of its divisors is an integer number (939575313).

Almost surely, 2^2505534166 is an apocalyptic number.

2505534166 is a deficient number, since it is larger than the sum of its proper divisors (1252767086).

2505534166 is a wasteful number, since it uses less digits than its factorization.

2505534166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252767085.

The product of its (nonzero) digits is 108000, while the sum is 37.

The square root of 2505534166 is about 50055.3110668588. The cubic root of 2505534166 is about 1358.2095394109.

The spelling of 2505534166 in words is "two billion, five hundred five million, five hundred thirty-four thousand, one hundred sixty-six".