5266166642 has 8 divisors (see below), whose sum is σ = 8617363632. Its totient is φ = 2393712100.

The previous prime is 5266166573. The next prime is 5266166657. The reversal of 5266166642 is 2466616625.

It is a happy number.

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

It is a super-2 number, since 2×5266166642² = 55465022202627112328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5266166593 and 5266166602.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119685584 + ... + 119685627.

It is an arithmetic number, because the mean of its divisors is an integer number (1077170454).

Almost surely, 2^5266166642 is an apocalyptic number.

5266166642 is a deficient number, since it is larger than the sum of its proper divisors (3351196990).

5266166642 is a wasteful number, since it uses less digits than its factorization.

5266166642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239371224.

The product of its digits is 622080, while the sum is 44.

The square root of 5266166642 is about 72568.3584077799. The cubic root of 5266166642 is about 1739.7954841759.

The spelling of 5266166642 in words is "five billion, two hundred sixty-six million, one hundred sixty-six thousand, six hundred forty-two".