2321664061063 has 2 divisors, whose sum is σ = 2321664061064. Its totient is φ = 2321664061062.

The previous prime is 2321664061037. The next prime is 2321664061091. The reversal of 2321664061063 is 3601604661232.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2321664061063 - 2²⁵ = 2321630506631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2321664061033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1160832030531 + 1160832030532.

It is an arithmetic number, because the mean of its divisors is an integer number (1160832030532).

Almost surely, 2^{2321664061063} is an apocalyptic number.

2321664061063 is a deficient number, since it is larger than the sum of its proper divisors (1).

2321664061063 is an equidigital number, since it uses as much as digits as its factorization.

2321664061063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 40.

The spelling of 2321664061063 in words is "two trillion, three hundred twenty-one billion, six hundred sixty-four million, sixty-one thousand, sixty-three".