38661093546822 has 32 divisors (see below), whose sum is σ = 88008993444960. Its totient is φ = 12572713347840.

The previous prime is 38661093546799. The next prime is 38661093546847. The reversal of 38661093546822 is 22864539016683.

38661093546822 is a `hidden beast` number, since 3 + 8 + 6 + 6 + 1 + 0 + 9 + 3 + 546 + 82 + 2 = 666.

It is a super-2 number, since 2×38661093546822² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38661093546822.

It is a congruent number.

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, 8731048723 + ... + 8731053150.

It is an arithmetic number, because the mean of its divisors is an integer number (2750281045155).

Almost surely, 2^{38661093546822} is an apocalyptic number.

38661093546822 is an abundant number, since it is smaller than the sum of its proper divisors (49347899898138).

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

38661093546822 is a wasteful number, since it uses less digits than its factorization.

38661093546822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17462101925 (or 17462101919 counting only the distinct ones).

The product of its (nonzero) digits is 89579520, while the sum is 63.

The spelling of 38661093546822 in words is "thirty-eight trillion, six hundred sixty-one billion, ninety-three million, five hundred forty-six thousand, eight hundred twenty-two".