662214015720401 has 8 divisors (see below), whose sum is σ = 668333712173160. Its totient is φ = 656095125422592.

The previous prime is 662214015720391. The next prime is 662214015720451. The reversal of 662214015720401 is 104027510412266.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 303636201025600 + 358577814694801 = 17425160^2 + 18936151^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-662214015720401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (662214015720451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199888190 + ... + 203174103.

It is an arithmetic number, because the mean of its divisors is an integer number (83541714021645).

Almost surely, 2^{662214015720401} is an apocalyptic number.

It is an amenable number.

662214015720401 is a deficient number, since it is larger than the sum of its proper divisors (6119696452759).

662214015720401 is a wasteful number, since it uses less digits than its factorization.

662214015720401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403077475.

The product of its (nonzero) digits is 161280, while the sum is 41.

The spelling of 662214015720401 in words is "six hundred sixty-two trillion, two hundred fourteen billion, fifteen million, seven hundred twenty thousand, four hundred one".