6411623161 has 4 divisors (see below), whose sum is σ = 6520294800. Its totient is φ = 6302951524.

The previous prime is 6411623159. The next prime is 6411623171. The reversal of 6411623161 is 1613261146.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6411623161 - 2¹ = 6411623159 is a prime.

It is a super-2 number, since 2×6411623161² = 82217823117343263842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6411623171) 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, 54335731 + ... + 54335848.

It is an arithmetic number, because the mean of its divisors is an integer number (1630073700).

Almost surely, 2^6411623161 is an apocalyptic number.

It is an amenable number.

6411623161 is a deficient number, since it is larger than the sum of its proper divisors (108671639).

6411623161 is a wasteful number, since it uses less digits than its factorization.

6411623161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108671638.

The product of its digits is 5184, while the sum is 31.

The square root of 6411623161 is about 80072.6118032876. The cubic root of 6411623161 is about 1857.7588106824.

The spelling of 6411623161 in words is "six billion, four hundred eleven million, six hundred twenty-three thousand, one hundred sixty-one".