5156566 has 8 divisors (see below), whose sum is σ = 7746840. Its totient is φ = 2574288.

The previous prime is 5156563. The next prime is 5156573. The reversal of 5156566 is 6656515.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5156561) 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, 25 + ... + 3211.

It is an arithmetic number, because the mean of its divisors is an integer number (968355).

Almost surely, 2^5156566 is an apocalyptic number.

5156566 is a deficient number, since it is larger than the sum of its proper divisors (2590274).

5156566 is a wasteful number, since it uses less digits than its factorization.

5156566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3998.

The product of its digits is 27000, while the sum is 34.

The square root of 5156566 is about 2270.8073454170. The cubic root of 5156566 is about 172.7641098802.

The spelling of 5156566 in words is "five million, one hundred fifty-six thousand, five hundred sixty-six".