4155981837 has 16 divisors (see below), whose sum is σ = 6335864832. Its totient is φ = 2373744240.

The previous prime is 4155981833. The next prime is 4155981839. The reversal of 4155981837 is 7381895514.

It is not a de Polignac number, because 4155981837 - 2² = 4155981833 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4155981837.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4155981833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1512 + ... + 91182.

It is an arithmetic number, because the mean of its divisors is an integer number (395991552).

Almost surely, 2^4155981837 is an apocalyptic number.

It is an amenable number.

4155981837 is a deficient number, since it is larger than the sum of its proper divisors (2179882995).

4155981837 is a wasteful number, since it uses less digits than its factorization.

4155981837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91888.

The product of its digits is 1209600, while the sum is 51.

The square root of 4155981837 is about 64466.9049745682. The cubic root of 4155981837 is about 1607.7723183085.

The spelling of 4155981837 in words is "four billion, one hundred fifty-five million, nine hundred eighty-one thousand, eight hundred thirty-seven".