38661766002 has 48 divisors (see below), whose sum is σ = 88309158912. Its totient is φ = 12206177280.

The previous prime is 38661766001. The next prime is 38661766037. The reversal of 38661766002 is 20066716683.

38661766002 is a `hidden beast` number, since 38 + 6 + 6 + 1 + 7 + 6 + 600 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (38661766001) 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 23 ways as a sum of consecutive naturals, for example, 710863 + ... + 763314.

It is an arithmetic number, because the mean of its divisors is an integer number (1839774144).

Almost surely, 2^38661766002 is an apocalyptic number.

38661766002 is an abundant number, since it is smaller than the sum of its proper divisors (49647392910).

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

38661766002 is a wasteful number, since it uses less digits than its factorization.

38661766002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1474263 (or 1474260 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 38661766002 in words is "thirty-eight billion, six hundred sixty-one million, seven hundred sixty-six thousand, two".