3064721660 has 288 divisors, whose sum is σ = 9266503680. Its totient is φ = 834624000.

The previous prime is 3064721657. The next prime is 3064721689. The reversal of 3064721660 is 661274603.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 3064721660.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2662085 + ... + 2663235.

It is an arithmetic number, because the mean of its divisors is an integer number (32175360).

Almost surely, 2^3064721660 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 3064721660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4633251840).

3064721660 is an abundant number, since it is smaller than the sum of its proper divisors (6201782020).

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

3064721660 is a wasteful number, since it uses less digits than its factorization.

3064721660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217 (or 1208 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 3064721660 is about 55359.9282875258. The cubic root of 3064721660 is about 1452.5475089701.

The spelling of 3064721660 in words is "three billion, sixty-four million, seven hundred twenty-one thousand, six hundred sixty".