5156016621566 has 8 divisors (see below), whose sum is σ = 7767218173104. Its totient is φ = 2566943897200.

The previous prime is 5156016621563. The next prime is 5156016621577. The reversal of 5156016621566 is 6651266106515.

It is a happy number.

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 (5156016621563) 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, 5532206210 + ... + 5532207141.

It is an arithmetic number, because the mean of its divisors is an integer number (970902271638).

Almost surely, 2^{5156016621566} is an apocalyptic number.

5156016621566 is a deficient number, since it is larger than the sum of its proper divisors (2611201551538).

5156016621566 is a wasteful number, since it uses less digits than its factorization.

5156016621566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11064413586.

The product of its (nonzero) digits is 1944000, while the sum is 50.

The spelling of 5156016621566 in words is "five trillion, one hundred fifty-six billion, sixteen million, six hundred twenty-one thousand, five hundred sixty-six".