2064664602 has 384 divisors, whose sum is σ = 6533130240. Its totient is φ = 453496320.

The previous prime is 2064664597. The next prime is 2064664619.

2064664602 is a `hidden beast` number, since 2 + 0 + 6 + 4 + 6 + 646 + 0 + 2 = 666.

2064664602 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 12666573 + ... + 12666735.

It is an arithmetic number, because the mean of its divisors is an integer number (17013360).

Almost surely, 2^2064664602 is an apocalyptic number.

2064664602 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2064664602, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3266565120).

2064664602 is an abundant number, since it is smaller than the sum of its proper divisors (4468465638).

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

2064664602 is a wasteful number, since it uses less digits than its factorization.

2064664602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258 (or 255 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The square root of 2064664602 is about 45438.5805456112. The cubic root of 2064664602 is about 1273.3559950616.

It can be divided in two parts, 2064 and 664602, that added together give a palindrome (666666).

The spelling of 2064664602 in words is "two billion, sixty-four million, six hundred sixty-four thousand, six hundred two".