38107666181860 has 48 divisors (see below), whose sum is σ = 87378938724672. Its totient is φ = 13844993500800.

The previous prime is 38107666181839. The next prime is 38107666181873. The reversal of 38107666181860 is 6818166670183.

It is a happy 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, 76875231 + ... + 77369350.

It is an arithmetic number, because the mean of its divisors is an integer number (1820394556764).

Almost surely, 2^{38107666181860} is an apocalyptic number.

It is an amenable number.

38107666181860 is an abundant number, since it is smaller than the sum of its proper divisors (49271272542812).

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

38107666181860 is a wasteful number, since it uses less digits than its factorization.

38107666181860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154245724 (or 154245722 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 61.

The spelling of 38107666181860 in words is "thirty-eight trillion, one hundred seven billion, six hundred sixty-six million, one hundred eighty-one thousand, eight hundred sixty".