14540825666 has 32 divisors (see below), whose sum is σ = 23201640000. Its totient is φ = 6815385792.

The previous prime is 14540825617. The next prime is 14540825681. The reversal of 14540825666 is 66652804541.

It is a super-2 number, since 2×14540825666² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 14540825666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1518305 + ... + 1527851.

It is an arithmetic number, because the mean of its divisors is an integer number (725051250).

Almost surely, 2^14540825666 is an apocalyptic number.

14540825666 is a deficient number, since it is larger than the sum of its proper divisors (8660814334).

14540825666 is a wasteful number, since it uses less digits than its factorization.

14540825666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9986.

The product of its (nonzero) digits is 1382400, while the sum is 47.

The spelling of 14540825666 in words is "fourteen billion, five hundred forty million, eight hundred twenty-five thousand, six hundred sixty-six".