6453881164 has 24 divisors (see below), whose sum is σ = 11917026800. Its totient is φ = 3049824960.

The previous prime is 6453881153. The next prime is 6453881201. The reversal of 6453881164 is 4611883546.

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, 68859 + ... + 132850.

Almost surely, 2^6453881164 is an apocalyptic number.

It is an amenable number.

6453881164 is a deficient number, since it is larger than the sum of its proper divisors (5463145636).

6453881164 is a wasteful number, since it uses less digits than its factorization.

6453881164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202153 (or 202151 counting only the distinct ones).

The product of its digits is 552960, while the sum is 46.

The square root of 6453881164 is about 80336.0514588563. The cubic root of 6453881164 is about 1861.8312757672.

The spelling of 6453881164 in words is "six billion, four hundred fifty-three million, eight hundred eighty-one thousand, one hundred sixty-four".