144772568666 has 8 divisors (see below), whose sum is σ = 236900566944. Its totient is φ = 65805713020.

The previous prime is 144772568651. The next prime is 144772568713. The reversal of 144772568666 is 666865277441.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 144772568599 and 144772568608.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3290285630 + ... + 3290285673.

It is an arithmetic number, because the mean of its divisors is an integer number (29612570868).

Almost surely, 2^144772568666 is an apocalyptic number.

144772568666 is a deficient number, since it is larger than the sum of its proper divisors (92127998278).

144772568666 is a wasteful number, since it uses less digits than its factorization.

144772568666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6580571316.

The product of its digits is 81285120, while the sum is 62.

The spelling of 144772568666 in words is "one hundred forty-four billion, seven hundred seventy-two million, five hundred sixty-eight thousand, six hundred sixty-six".