15951268468 has 24 divisors (see below), whose sum is σ = 28682389512. Its totient is φ = 7756498944.

The previous prime is 15951268441. The next prime is 15951268469. The reversal of 15951268468 is 86486215951.

15951268468 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 5555019024 + 10396249444 = 74532^2 + 101962^2 .

It is a super-2 number, since 2×15951268468² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15951268469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312696 + ... + 360112.

It is an arithmetic number, because the mean of its divisors is an integer number (1195099563).

Almost surely, 2^15951268468 is an apocalyptic number.

It is an amenable number.

15951268468 is a deficient number, since it is larger than the sum of its proper divisors (12731121044).

15951268468 is a wasteful number, since it uses less digits than its factorization.

15951268468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49731 (or 49729 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 55.

The spelling of 15951268468 in words is "fifteen billion, nine hundred fifty-one million, two hundred sixty-eight thousand, four hundred sixty-eight".