38331972066 has 32 divisors (see below), whose sum is σ = 81033796800. Its totient is φ = 12054597120.

The previous prime is 38331972061. The next prime is 38331972067. The reversal of 38331972066 is 66027913383.

It is not an unprimeable number, because it can be changed into a prime (38331972061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 670131 + ... + 725078.

It is an arithmetic number, because the mean of its divisors is an integer number (2532306150).

Almost surely, 2^38331972066 is an apocalyptic number.

38331972066 is an abundant number, since it is smaller than the sum of its proper divisors (42701824734).

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

38331972066 is a wasteful number, since it uses less digits than its factorization.

38331972066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395474.

The product of its (nonzero) digits is 979776, while the sum is 48.

The spelling of 38331972066 in words is "thirty-eight billion, three hundred thirty-one million, nine hundred seventy-two thousand, sixty-six".