38871746658066 has 64 divisors (see below), whose sum is σ = 90069747296256. Its totient is φ = 10954567440000.

The previous prime is 38871746658049. The next prime is 38871746658077. The reversal of 38871746658066 is 66085664717883.

It is a super-2 number, since 2×38871746658066² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16813795 + ... + 18985446.

It is an arithmetic number, because the mean of its divisors is an integer number (1407339801504).

Almost surely, 2^{38871746658066} is an apocalyptic number.

38871746658066 is an abundant number, since it is smaller than the sum of its proper divisors (51198000638190).

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

38871746658066 is a wasteful number, since it uses less digits than its factorization.

38871746658066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35799607.

The product of its (nonzero) digits is 1950842880, while the sum is 75.

The spelling of 38871746658066 in words is "thirty-eight trillion, eight hundred seventy-one billion, seven hundred forty-six million, six hundred fifty-eight thousand, sixty-six".