64169471268 has 96 divisors (see below), whose sum is σ = 190642341120. Its totient is φ = 18284901120.

The previous prime is 64169471213. The next prime is 64169471291. The reversal of 64169471268 is 86217496146.

64169471268 is a `hidden beast` number, since 6 + 4 + 169 + 471 + 2 + 6 + 8 = 666.

64169471268 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 168208 + ... + 395768.

It is an arithmetic number, because the mean of its divisors is an integer number (1985857720).

Almost surely, 2^64169471268 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64169471268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95321170560).

64169471268 is an abundant number, since it is smaller than the sum of its proper divisors (126472869852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64169471268 is a wasteful number, since it uses less digits than its factorization.

64169471268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227954 (or 227946 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The spelling of 64169471268 in words is "sixty-four billion, one hundred sixty-nine million, four hundred seventy-one thousand, two hundred sixty-eight".