16661130612254 has 8 divisors (see below), whose sum is σ = 24991715658528. Its totient is φ = 8330558726080.

The previous prime is 16661130612253. The next prime is 16661130612271. The reversal of 16661130612254 is 45221603116661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16661130612253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 987179 + ... + 5856345.

It is an arithmetic number, because the mean of its divisors is an integer number (3123964457316).

Almost surely, 2^{16661130612254} is an apocalyptic number.

16661130612254 is a deficient number, since it is larger than the sum of its proper divisors (8330585046274).

16661130612254 is a wasteful number, since it uses less digits than its factorization.

16661130612254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6580050.

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 16661130612254 in words is "sixteen trillion, six hundred sixty-one billion, one hundred thirty million, six hundred twelve thousand, two hundred fifty-four".