9662607990401 has 16 divisors (see below), whose sum is σ = 10090333693440. Its totient is φ = 9235518589440.

The previous prime is 9662607990293. The next prime is 9662607990403. The reversal of 9662607990401 is 1040997062669.

It is a cyclic number.

It is not a de Polignac number, because 9662607990401 - 2³⁰ = 9661534248577 is a prime.

It is a super-2 number, since 2×9662607990401² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9662607990403) 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, 271640345 + ... + 271675913.

It is an arithmetic number, because the mean of its divisors is an integer number (630645855840).

Almost surely, 2^{9662607990401} is an apocalyptic number.

It is an amenable number.

9662607990401 is a deficient number, since it is larger than the sum of its proper divisors (427725703039).

9662607990401 is a wasteful number, since it uses less digits than its factorization.

9662607990401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44176.

The product of its (nonzero) digits is 8817984, while the sum is 59.

The spelling of 9662607990401 in words is "nine trillion, six hundred sixty-two billion, six hundred seven million, nine hundred ninety thousand, four hundred one".