1646049793383 has 24 divisors (see below), whose sum is σ = 2488829192928. Its totient is φ = 1046343684672.

The previous prime is 1646049793373. The next prime is 1646049793433. The reversal of 1646049793383 is 3833979406461.

1646049793383 is a `hidden beast` number, since 1 + 6 + 4 + 60 + 497 + 9 + 3 + 3 + 83 = 666.

It is not a de Polignac number, because 1646049793383 - 2⁵ = 1646049793351 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1646049793383.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1646049793373) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12476860 + ... + 12608097.

It is an arithmetic number, because the mean of its divisors is an integer number (103701216372).

Almost surely, 2^{1646049793383} is an apocalyptic number.

1646049793383 is a deficient number, since it is larger than the sum of its proper divisors (842779399545).

1646049793383 is a wasteful number, since it uses less digits than its factorization.

1646049793383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25085303 (or 25085300 counting only the distinct ones).

The product of its (nonzero) digits is 70543872, while the sum is 63.

The spelling of 1646049793383 in words is "one trillion, six hundred forty-six billion, forty-nine million, seven hundred ninety-three thousand, three hundred eighty-three".