1403221755664 has 10 divisors (see below), whose sum is σ = 2718742151630. Its totient is φ = 701610877824.

The previous prime is 1403221755653. The next prime is 1403221755731. The reversal of 1403221755664 is 4665571223041.

It can be written as a sum of positive squares in only one way, i.e., 998216795664 + 405004960000 = 999108^2 + 636400^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43850679849 + ... + 43850679880.

It is an arithmetic number, because the mean of its divisors is an integer number (271874215163).

Almost surely, 2^{1403221755664} is an apocalyptic number.

It is an amenable number.

1403221755664 is a deficient number, since it is larger than the sum of its proper divisors (1315520395966).

1403221755664 is an equidigital number, since it uses as much as digits as its factorization.

1403221755664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87701359737 (or 87701359731 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 46.

The spelling of 1403221755664 in words is "one trillion, four hundred three billion, two hundred twenty-one million, seven hundred fifty-five thousand, six hundred sixty-four".