6401161177 has 2 divisors, whose sum is σ = 6401161178. Its totient is φ = 6401161176.

The previous prime is 6401161093. The next prime is 6401161219. The reversal of 6401161177 is 7711611046.

It is a happy number.

6401161177 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6363412441 + 37748736 = 79771^2 + 6144^2 .

It is a cyclic number.

It is not a de Polignac number, because 6401161177 - 2³¹ = 4253677529 is a prime.

It is not a weakly prime, because it can be changed into another prime (6401161477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3200580588 + 3200580589.

It is an arithmetic number, because the mean of its divisors is an integer number (3200580589).

Almost surely, 2^6401161177 is an apocalyptic number.

It is an amenable number.

6401161177 is a deficient number, since it is larger than the sum of its proper divisors (1).

6401161177 is an equidigital number, since it uses as much as digits as its factorization.

6401161177 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 34.

The square root of 6401161177 is about 80007.2570270972. The cubic root of 6401161177 is about 1856.7478122008.

The spelling of 6401161177 in words is "six billion, four hundred one million, one hundred sixty-one thousand, one hundred seventy-seven".