15126646066 has 16 divisors (see below), whose sum is σ = 25933005504. Its totient is φ = 6482445264.

The previous prime is 15126646061. The next prime is 15126646091. The reversal of 15126646066 is 66064662151.

15126646066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (15126646061) 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, 353316 + ... + 393808.

It is an arithmetic number, because the mean of its divisors is an integer number (1620812844).

Almost surely, 2^15126646066 is an apocalyptic number.

15126646066 is a deficient number, since it is larger than the sum of its proper divisors (10806359438).

15126646066 is a wasteful number, since it uses less digits than its factorization.

15126646066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67185.

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 15126646066 in words is "fifteen billion, one hundred twenty-six million, six hundred forty-six thousand, sixty-six".