38166409129 has 8 divisors (see below), whose sum is σ = 38584604160. Its totient is φ = 37749625536.

The previous prime is 38166409121. The next prime is 38166409207. The reversal of 38166409129 is 92190466183.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38166409129 - 2³ = 38166409121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38166409121) 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 7 ways as a sum of consecutive naturals, for example, 298437 + ... + 406690.

It is an arithmetic number, because the mean of its divisors is an integer number (4823075520).

Almost surely, 2^38166409129 is an apocalyptic number.

It is an amenable number.

38166409129 is a deficient number, since it is larger than the sum of its proper divisors (418195031).

38166409129 is a wasteful number, since it uses less digits than its factorization.

38166409129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705719.

The product of its (nonzero) digits is 559872, while the sum is 49.

The spelling of 38166409129 in words is "thirty-eight billion, one hundred sixty-six million, four hundred nine thousand, one hundred twenty-nine".