5111166654 has 96 divisors (see below), whose sum is σ = 13232924640. Its totient is φ = 1407436800.

The previous prime is 5111166629. The next prime is 5111166661. The reversal of 5111166654 is 4566611115.

It is a super-2 number, since 2×5111166654² = 52248049129923111432, which contains 22 as substring.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 71434 + ... + 123794.

It is an arithmetic number, because the mean of its divisors is an integer number (137842965).

Almost surely, 2^5111166654 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5111166654, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6616462320).

5111166654 is an abundant number, since it is smaller than the sum of its proper divisors (8121757986).

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

5111166654 is a wasteful number, since it uses less digits than its factorization.

5111166654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52426 (or 52423 counting only the distinct ones).

The product of its digits is 21600, while the sum is 36.

The square root of 5111166654 is about 71492.4237524509. The cubic root of 5111166654 is about 1722.5559904646. Note that the first 3 decimals are identical.

Adding to 5111166654 its reverse (4566611115), we get a palindrome (9677777769).

The spelling of 5111166654 in words is "five billion, one hundred eleven million, one hundred sixty-six thousand, six hundred fifty-four".