38166701769 has 75 divisors (see below), whose sum is σ = 66663388253. Its totient is φ = 21760312392.

The previous prime is 38166701761. The next prime is 38166701813. The reversal of 38166701769 is 96710766183.

It is a happy number.

The square root of 38166701769 is 195363.

It is a perfect power (a square), and thus also a powerful number.

38166701769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38166701769 - 2³ = 38166701761 is a prime.

It is a super-2 number, since 2×38166701769² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (38166701761) by changing a digit.

It is a polite number, since it can be written in 74 ways as a sum of consecutive naturals, for example, 86154862 + ... + 86155304.

Almost surely, 2^38166701769 is an apocalyptic number.

38166701769 is the 195363-rd square number.

38166701769 is the 97682-nd centered octagonal number.

It is an amenable number.

38166701769 is a deficient number, since it is larger than the sum of its proper divisors (28496686484).

38166701769 is an frugal number, since it uses more digits than its factorization.

38166701769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926 (or 453 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 54.

The spelling of 38166701769 in words is "thirty-eight billion, one hundred sixty-six million, seven hundred one thousand, seven hundred sixty-nine".