2065649792976 has 720 divisors, whose sum is σ = 7715539173888. Its totient is φ = 528937516800.

The previous prime is 2065649792951. The next prime is 2065649792981. The reversal of 2065649792976 is 6792979465602.

2065649792976 is a `hidden beast` number, since 2 + 0 + 65 + 6 + 497 + 9 + 2 + 9 + 76 = 666.

It is a super-3 number, since 3×2065649792976³ (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 148782931 + ... + 148796813.

Almost surely, 2^{2065649792976} 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 2065649792976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3857769586944).

2065649792976 is an abundant number, since it is smaller than the sum of its proper divisors (5649889380912).

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

2065649792976 is a wasteful number, since it uses less digits than its factorization.

2065649792976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14002 (or 13977 counting only the distinct ones).

The product of its (nonzero) digits is 617258880, while the sum is 72.

The spelling of 2065649792976 in words is "two trillion, sixty-five billion, six hundred forty-nine million, seven hundred ninety-two thousand, nine hundred seventy-six".