2556166058 has 8 divisors (see below), whose sum is σ = 3863518560. Its totient is φ = 1268326540.

The previous prime is 2556166057. The next prime is 2556166099. The reversal of 2556166058 is 8506616552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2556166057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4877918 + ... + 4878441.

It is an arithmetic number, because the mean of its divisors is an integer number (482939820).

Almost surely, 2^2556166058 is an apocalyptic number.

2556166058 is a deficient number, since it is larger than the sum of its proper divisors (1307352502).

2556166058 is a wasteful number, since it uses less digits than its factorization.

2556166058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9756492.

The product of its (nonzero) digits is 432000, while the sum is 44.

The square root of 2556166058 is about 50558.5409006233. The cubic root of 2556166058 is about 1367.2975048279.

It can be divided in two parts, 25561 and 66058, that added together give a palindrome (91619).

The spelling of 2556166058 in words is "two billion, five hundred fifty-six million, one hundred sixty-six thousand, fifty-eight".