5166242220 has 24 divisors (see below), whose sum is σ = 14465478384. Its totient is φ = 1377664576.

The previous prime is 5166242203. The next prime is 5166242227. The reversal of 5166242220 is 222426615.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (5166242227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43051959 + ... + 43052078.

It is an arithmetic number, because the mean of its divisors is an integer number (602728266).

Almost surely, 2^5166242220 is an apocalyptic number.

It is an amenable number.

5166242220 is an abundant number, since it is smaller than the sum of its proper divisors (9299236164).

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

5166242220 is a wasteful number, since it uses less digits than its factorization.

5166242220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86104049 (or 86104047 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 5166242220 is about 71876.5762957586. The cubic root of 5166242220 is about 1728.7210545849.

Adding to 5166242220 its reverse (222426615), we get a palindrome (5388668835).

The spelling of 5166242220 in words is "five billion, one hundred sixty-six million, two hundred forty-two thousand, two hundred twenty".