1649333064960 has 216 divisors, whose sum is σ = 6521738146560. Its totient is φ = 376990396416.

The previous prime is 1649333064943. The next prime is 1649333064983. The reversal of 1649333064960 is 694603339461.

1649333064960 is a `hidden beast` number, since 1 + 6 + 493 + 3 + 3 + 0 + 64 + 96 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1649333064897 and 1649333064906.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10145880 + ... + 10307159.

It is an arithmetic number, because the mean of its divisors is an integer number (30193232160).

Almost surely, 2^{1649333064960} is an apocalyptic number.

1649333064960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1649333064960 is an abundant number, since it is smaller than the sum of its proper divisors (4872405081600).

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

1649333064960 is a wasteful number, since it uses less digits than its factorization.

1649333064960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20453073 (or 20453056 counting only the distinct ones).

The product of its (nonzero) digits is 7558272, while the sum is 54.

The spelling of 1649333064960 in words is "one trillion, six hundred forty-nine billion, three hundred thirty-three million, sixty-four thousand, nine hundred sixty".