1233665106564 has 24 divisors (see below), whose sum is σ = 3140238453408. Its totient is φ = 373837911040.

The previous prime is 1233665106533. The next prime is 1233665106637. The reversal of 1233665106564 is 4656015663321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4672973757 + ... + 4672974020.

It is an arithmetic number, because the mean of its divisors is an integer number (130843268892).

Almost surely, 2^{1233665106564} is an apocalyptic number.

It is an amenable number.

1233665106564 is an abundant number, since it is smaller than the sum of its proper divisors (1906573346844).

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

1233665106564 is a wasteful number, since it uses less digits than its factorization.

1233665106564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9345947795 (or 9345947793 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 48.

The spelling of 1233665106564 in words is "one trillion, two hundred thirty-three billion, six hundred sixty-five million, one hundred six thousand, five hundred sixty-four".