1046646064665 has 24 divisors (see below), whose sum is σ = 1856376899520. Its totient is φ = 545229576864.

The previous prime is 1046646064631. The next prime is 1046646064669. The reversal of 1046646064665 is 5664606466401.

1046646064665 is a `hidden beast` number, since 1 + 0 + 4 + 66 + 460 + 64 + 6 + 65 = 666.

It is not a de Polignac number, because 1046646064665 - 2¹⁰ = 1046646063641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1046646064669) 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, 270449245 + ... + 270453114.

It is an arithmetic number, because the mean of its divisors is an integer number (77349037480).

Almost surely, 2^{1046646064665} is an apocalyptic number.

1046646064665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1046646064665 is a deficient number, since it is larger than the sum of its proper divisors (809730834855).

1046646064665 is a wasteful number, since it uses less digits than its factorization.

1046646064665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540902413 (or 540902410 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 54.

The spelling of 1046646064665 in words is "one trillion, forty-six billion, six hundred forty-six million, sixty-four thousand, six hundred sixty-five".