2064495670272 has 264 divisors, whose sum is σ = 6828610815936. Its totient is φ = 588485689344.

The previous prime is 2064495670261. The next prime is 2064495670319. The reversal of 2064495670272 is 2720765944602.

It is a happy number.

2064495670272 is a `hidden beast` number, since 2 + 0 + 6 + 4 + 4 + 9 + 567 + 0 + 2 + 72 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27896743 + ... + 27970649.

Almost surely, 2^{2064495670272} 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 2064495670272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3414305407968).

2064495670272 is an abundant number, since it is smaller than the sum of its proper divisors (4764115145664).

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

2064495670272 is a wasteful number, since it uses less digits than its factorization.

2064495670272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74373 (or 74352 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 54.

The spelling of 2064495670272 in words is "two trillion, sixty-four billion, four hundred ninety-five million, six hundred seventy thousand, two hundred seventy-two".