4137987161 has 32 divisors (see below), whose sum is σ = 5265340416. Its totient is φ = 3184962000.

The previous prime is 4137987151. The next prime is 4137987169. The reversal of 4137987161 is 1617897314.

It is not a de Polignac number, because 4137987161 - 2⁶ = 4137987097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4137987169) 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 31 ways as a sum of consecutive naturals, for example, 770636 + ... + 775986.

It is an arithmetic number, because the mean of its divisors is an integer number (164541888).

Almost surely, 2^4137987161 is an apocalyptic number.

It is an amenable number.

4137987161 is a deficient number, since it is larger than the sum of its proper divisors (1127353255).

4137987161 is an equidigital number, since it uses as much as digits as its factorization.

4137987161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5474 (or 5452 counting only the distinct ones).

The product of its digits is 254016, while the sum is 47.

The square root of 4137987161 is about 64327.1883498727. The cubic root of 4137987161 is about 1605.4485033268.

The spelling of 4137987161 in words is "four billion, one hundred thirty-seven million, nine hundred eighty-seven thousand, one hundred sixty-one".