3254321664 has 160 divisors (see below), whose sum is σ = 10509238080. Its totient is φ = 986112000.

The previous prime is 3254321641. The next prime is 3254321687. The reversal of 3254321664 is 4661234523.

3254321664 is a `hidden beast` number, since 32 + 543 + 21 + 6 + 64 = 666.

It is an interprime number because it is at equal distance from previous prime (3254321641) and next prime (3254321687).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141364 + ... + 162764.

It is an arithmetic number, because the mean of its divisors is an integer number (65682738).

Almost surely, 2^3254321664 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 3254321664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5254619040).

3254321664 is an abundant number, since it is smaller than the sum of its proper divisors (7254916416).

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

3254321664 is a wasteful number, since it uses less digits than its factorization.

3254321664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21439 (or 21417 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 3254321664 is about 57046.6621635307. The cubic root of 3254321664 is about 1481.9043030210.

The spelling of 3254321664 in words is "three billion, two hundred fifty-four million, three hundred twenty-one thousand, six hundred sixty-four".