15354740066 has 12 divisors (see below), whose sum is σ = 24308128422. Its totient is φ = 7273297584.

The previous prime is 15354740021. The next prime is 15354740077. The reversal of 15354740066 is 66004745351.

It can be written as a sum of positive squares in only one way, i.e., 14515189441 + 839550625 = 120479^2 + 28975^2 .

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 5 ways as a sum of consecutive naturals, for example, 10632755 + ... + 10634198.

Almost surely, 2^15354740066 is an apocalyptic number.

15354740066 is a deficient number, since it is larger than the sum of its proper divisors (8953388356).

15354740066 is a wasteful number, since it uses less digits than its factorization.

15354740066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21266993 (or 21266974 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 41.

The spelling of 15354740066 in words is "fifteen billion, three hundred fifty-four million, seven hundred forty thousand, sixty-six".