383138266664 has 32 divisors (see below), whose sum is σ = 746062410720. Its totient is φ = 184321279296.

The previous prime is 383138266663. The next prime is 383138266669. The reversal of 383138266664 is 466662831383.

It is a happy number.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (383138266663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8288699 + ... + 8334794.

It is an arithmetic number, because the mean of its divisors is an integer number (23314450335).

Almost surely, 2^383138266664 is an apocalyptic number.

It is an amenable number.

383138266664 is a deficient number, since it is larger than the sum of its proper divisors (362924144056).

383138266664 is a wasteful number, since it uses less digits than its factorization.

383138266664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16623609 (or 16623605 counting only the distinct ones).

The product of its digits is 17915904, while the sum is 56.

The spelling of 383138266664 in words is "three hundred eighty-three billion, one hundred thirty-eight million, two hundred sixty-six thousand, six hundred sixty-four".