381660467026 has 8 divisors (see below), whose sum is σ = 574990660620. Its totient is φ = 189996913488.

The previous prime is 381660467003. The next prime is 381660467059. The reversal of 381660467026 is 620764066183.

It can be written as a sum of positive squares in 2 ways, for example, as 359370275625 + 22290191401 = 599475^2 + 149299^2 .

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

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, 416659441 + ... + 416660356.

Almost surely, 2^381660467026 is an apocalyptic number.

381660467026 is a deficient number, since it is larger than the sum of its proper divisors (193330193594).

381660467026 is a wasteful number, since it uses less digits than its factorization.

381660467026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833320028.

The product of its (nonzero) digits is 1741824, while the sum is 49.

The spelling of 381660467026 in words is "three hundred eighty-one billion, six hundred sixty million, four hundred sixty-seven thousand, twenty-six".