38161081 has 8 divisors (see below), whose sum is σ = 44627264. Its totient is φ = 31948560.

The previous prime is 38161069. The next prime is 38161091. The reversal of 38161081 is 18016183.

It is a happy number.

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

It is not a de Polignac number, because 38161081 - 2¹³ = 38152889 is a prime.

It is a super-2 number, since 2×38161081² = 2912536206177122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38161001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63090 + ... + 63691.

It is an arithmetic number, because the mean of its divisors is an integer number (5578408).

Almost surely, 2^38161081 is an apocalyptic number.

It is an amenable number.

38161081 is a deficient number, since it is larger than the sum of its proper divisors (6466183).

38161081 is a wasteful number, since it uses less digits than its factorization.

38161081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126831.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 38161081 is about 6177.4655806407. The cubic root of 38161081 is about 336.6719151988.

The spelling of 38161081 in words is "thirty-eight million, one hundred sixty-one thousand, eighty-one".