38766632081 has 8 divisors (see below), whose sum is σ = 39905088960. Its totient is φ = 37632949488.

The previous prime is 38766632077. The next prime is 38766632119. The reversal of 38766632081 is 18023666783.

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

It is a cyclic number.

It is not a de Polignac number, because 38766632081 - 2² = 38766632077 is a prime.

It is a super-2 number, since 2×38766632081² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (38766632041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1177091 + ... + 1209576.

It is an arithmetic number, because the mean of its divisors is an integer number (4988136120).

Almost surely, 2^38766632081 is an apocalyptic number.

It is an amenable number.

38766632081 is a deficient number, since it is larger than the sum of its proper divisors (1138456879).

38766632081 is a wasteful number, since it uses less digits than its factorization.

38766632081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2387143.

The product of its (nonzero) digits is 1741824, while the sum is 50.

The spelling of 38766632081 in words is "thirty-eight billion, seven hundred sixty-six million, six hundred thirty-two thousand, eighty-one".