38166442699 has 16 divisors (see below), whose sum is σ = 49224971520. Its totient is φ = 28714563360.

The previous prime is 38166442609. The next prime is 38166442709. The reversal of 38166442699 is 99624466183.

It is not a de Polignac number, because 38166442699 - 2⁹ = 38166442187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38166442609) 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 15 ways as a sum of consecutive naturals, for example, 8543769 + ... + 8548234.

It is an arithmetic number, because the mean of its divisors is an integer number (3076560720).

Almost surely, 2^38166442699 is an apocalyptic number.

38166442699 is a deficient number, since it is larger than the sum of its proper divisors (11058528821).

38166442699 is a wasteful number, since it uses less digits than its factorization.

38166442699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17092050.

The product of its digits is 13436928, while the sum is 58.

The spelling of 38166442699 in words is "thirty-eight billion, one hundred sixty-six million, four hundred forty-two thousand, six hundred ninety-nine".