6361443164 has 24 divisors (see below), whose sum is σ = 11510894976. Its totient is φ = 3072960000.

The previous prime is 6361443139. The next prime is 6361443203. The reversal of 6361443164 is 4613441636.

It is a happy number.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31844 + ... + 117204.

It is an arithmetic number, because the mean of its divisors is an integer number (479620624).

Almost surely, 2^6361443164 is an apocalyptic number.

It is an amenable number.

6361443164 is a deficient number, since it is larger than the sum of its proper divisors (5149451812).

6361443164 is a wasteful number, since it uses less digits than its factorization.

6361443164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85997 (or 85995 counting only the distinct ones).

The product of its digits is 124416, while the sum is 38.

The square root of 6361443164 is about 79758.6557308986. The cubic root of 6361443164 is about 1852.8995838827.

The spelling of 6361443164 in words is "six billion, three hundred sixty-one million, four hundred forty-three thousand, one hundred sixty-four".