1320035166663 has 16 divisors (see below), whose sum is σ = 1767916414176. Its totient is φ = 876091023360.

The previous prime is 1320035166641. The next prime is 1320035166727. The reversal of 1320035166663 is 3666615300231.

It is not a de Polignac number, because 1320035166663 - 2⁸ = 1320035166407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320035167663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1977045 + ... + 2559057.

It is an arithmetic number, because the mean of its divisors is an integer number (110494775886).

Almost surely, 2^{1320035166663} is an apocalyptic number.

1320035166663 is a deficient number, since it is larger than the sum of its proper divisors (447881247513).

1320035166663 is a wasteful number, since it uses less digits than its factorization.

1320035166663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585394.

The product of its (nonzero) digits is 349920, while the sum is 42.

The spelling of 1320035166663 in words is "one trillion, three hundred twenty billion, thirty-five million, one hundred sixty-six thousand, six hundred sixty-three".