4051190161 has 4 divisors (see below), whose sum is σ = 4051320372. Its totient is φ = 4051059952.

The previous prime is 4051190141. The next prime is 4051190173. The reversal of 4051190161 is 1610911504.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2407374225 + 1643815936 = 49065^2 + 40544^2 .

It is a cyclic number.

It is not a de Polignac number, because 4051190161 - 2¹⁵ = 4051157393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4051190131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12015 + ... + 90811.

It is an arithmetic number, because the mean of its divisors is an integer number (1012830093).

Almost surely, 2^4051190161 is an apocalyptic number.

It is an amenable number.

4051190161 is a deficient number, since it is larger than the sum of its proper divisors (130211).

4051190161 is an equidigital number, since it uses as much as digits as its factorization.

4051190161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130210.

The product of its (nonzero) digits is 1080, while the sum is 28.

The square root of 4051190161 is about 63648.9604078496. The cubic root of 4051190161 is about 1594.1439785786.

The spelling of 4051190161 in words is "four billion, fifty-one million, one hundred ninety thousand, one hundred sixty-one".