4161273992 has 12 divisors (see below), whose sum is σ = 7802730855. Its totient is φ = 2080545768.

The previous prime is 4161273983. The next prime is 4161274021. The reversal of 4161273992 is 2993721614.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 2080636996 + 2080636996 = 45614^2 + 45614^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=45614.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 171053 + ... + 193859.

Almost surely, 2^4161273992 is an apocalyptic number.

It is an amenable number.

4161273992 is a deficient number, since it is larger than the sum of its proper divisors (3641456863).

4161273992 is an frugal number, since it uses more digits than its factorization.

4161273992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45620 (or 22809 counting only the distinct ones).

The product of its digits is 163296, while the sum is 44.

The square root of 4161273992 is about 64507.9374340864. The cubic root of 4161273992 is about 1608.4544652829.

The spelling of 4161273992 in words is "four billion, one hundred sixty-one million, two hundred seventy-three thousand, nine hundred ninety-two".