215968773158 has 8 divisors (see below), whose sum is σ = 334403261760. Its totient is φ = 104501019240.

The previous prime is 215968773131. The next prime is 215968773191. The reversal of 215968773158 is 851377869512.

215968773158 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×215968773158² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (62), and also a Moran number because the ratio is a prime number: 3483367309 = 215968773158 / (2 + 1 + 5 + 9 + 6 + 8 + 7 + 7 + 3 + 1 + 5 + 8).

It is a self number, because there is not a number n which added to its sum of digits gives 215968773158.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1741683593 + ... + 1741683716.

It is an arithmetic number, because the mean of its divisors is an integer number (41800407720).

Almost surely, 2^215968773158 is an apocalyptic number.

215968773158 is a deficient number, since it is larger than the sum of its proper divisors (118434488602).

215968773158 is a wasteful number, since it uses less digits than its factorization.

215968773158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3483367342.

The product of its digits is 25401600, while the sum is 62.

The spelling of 215968773158 in words is "two hundred fifteen billion, nine hundred sixty-eight million, seven hundred seventy-three thousand, one hundred fifty-eight".