38161512 has 24 divisors (see below), whose sum is σ = 103354290. Its totient is φ = 12720480.

The previous prime is 38161507. The next prime is 38161517. The reversal of 38161512 is 21516183.

38161512 is a `hidden beast` number, since 38 + 1 + 615 + 12 = 666.

It is an interprime number because it is at equal distance from previous prime (38161507) and next prime (38161517).

It can be written as a sum of positive squares in only one way, i.e., 27311076 + 10850436 = 5226^2 + 3294^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×38161512² = 2912601996252288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38161517) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 264939 + ... + 265082.

Almost surely, 2^38161512 is an apocalyptic number.

It is an amenable number.

38161512 is an abundant number, since it is smaller than the sum of its proper divisors (65192778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38161512 is a wasteful number, since it uses less digits than its factorization.

38161512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530033 (or 530026 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 38161512 is about 6177.5004653986. The cubic root of 38161512 is about 336.6731826773.

Adding to 38161512 its reverse (21516183), we get a palindrome (59677695).

The spelling of 38161512 in words is "thirty-eight million, one hundred sixty-one thousand, five hundred twelve".