15226742164 has 48 divisors (see below), whose sum is σ = 29025392256. Its totient is φ = 6969283200.

The previous prime is 15226742159. The next prime is 15226742173. The reversal of 15226742164 is 46124762251.

It is a happy number.

15226742164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 170979 + ... + 244309.

It is an arithmetic number, because the mean of its divisors is an integer number (604695672).

Almost surely, 2^15226742164 is an apocalyptic number.

It is an amenable number.

15226742164 is a deficient number, since it is larger than the sum of its proper divisors (13798650092).

15226742164 is a wasteful number, since it uses less digits than its factorization.

15226742164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73456 (or 73454 counting only the distinct ones).

The product of its digits is 161280, while the sum is 40.

The spelling of 15226742164 in words is "fifteen billion, two hundred twenty-six million, seven hundred forty-two thousand, one hundred sixty-four".