38430423663666 has 32 divisors (see below), whose sum is σ = 80232235873728. Its totient is φ = 12259594607040.

The previous prime is 38430423663647. The next prime is 38430423663691. The reversal of 38430423663666 is 66636632403483.

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, 1418921020 + ... + 1418948103.

It is an arithmetic number, because the mean of its divisors is an integer number (2507257371054).

Almost surely, 2^{38430423663666} is an apocalyptic number.

38430423663666 is an abundant number, since it is smaller than the sum of its proper divisors (41801812210062).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38430423663666 is a wasteful number, since it uses less digits than its factorization.

38430423663666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2837869226.

The product of its (nonzero) digits is 161243136, while the sum is 60.

The spelling of 38430423663666 in words is "thirty-eight trillion, four hundred thirty billion, four hundred twenty-three million, six hundred sixty-three thousand, six hundred sixty-six".