662823320465201 has 32 divisors (see below), whose sum is σ = 763612664985600. Its totient is φ = 563576679680256.

The previous prime is 662823320465183. The next prime is 662823320465231. The reversal of 662823320465201 is 102564023328266.

It is a cyclic number.

It is not a de Polignac number, because 662823320465201 - 2²⁶ = 662823253356337 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 662823320465201.

It is not an unprimeable number, because it can be changed into a prime (662823320465231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3875099786 + ... + 3875270828.

It is an arithmetic number, because the mean of its divisors is an integer number (23862895780800).

Almost surely, 2^{662823320465201} is an apocalyptic number.

It is an amenable number.

662823320465201 is a deficient number, since it is larger than the sum of its proper divisors (100789344520399).

662823320465201 is a wasteful number, since it uses less digits than its factorization.

662823320465201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179613.

The product of its (nonzero) digits is 4976640, while the sum is 50.

The spelling of 662823320465201 in words is "six hundred sixty-two trillion, eight hundred twenty-three billion, three hundred twenty million, four hundred sixty-five thousand, two hundred one".