38161669 has 16 divisors (see below), whose sum is σ = 49012992. Its totient is φ = 28879488.

The previous prime is 38161667. The next prime is 38161681. The reversal of 38161669 is 96616183.

It is a cyclic number.

It is not a de Polignac number, because 38161669 - 2¹ = 38161667 is a prime.

It is a super-2 number, since 2×38161669² = 2912625961731122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38161667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7024 + ... + 11209.

It is an arithmetic number, because the mean of its divisors is an integer number (3063312).

Almost surely, 2^38161669 is an apocalyptic number.

It is an amenable number.

38161669 is a deficient number, since it is larger than the sum of its proper divisors (10851323).

38161669 is a wasteful number, since it uses less digits than its factorization.

38161669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18276.

The product of its digits is 46656, while the sum is 40.

The square root of 38161669 is about 6177.5131727905. The cubic root of 38161669 is about 336.6736443782.

The spelling of 38161669 in words is "thirty-eight million, one hundred sixty-one thousand, six hundred sixty-nine".