10211610665664 has 56 divisors (see below), whose sum is σ = 30020244323120. Its totient is φ = 3403870221312.

The previous prime is 10211610665647. The next prime is 10211610665671. The reversal of 10211610665664 is 46656601611201.

10211610665664 is a `hidden beast` number, since 1 + 0 + 2 + 1 + 16 + 10 + 66 + 566 + 4 = 666.

It is a super-2 number, since 2×10211610665664² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2954746729 + ... + 2954750184.

Almost surely, 2^{10211610665664} is an apocalyptic number.

It is an amenable number.

10211610665664 is an abundant number, since it is smaller than the sum of its proper divisors (19808633657456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10211610665664 is an equidigital number, since it uses as much as digits as its factorization.

10211610665664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5909496934 (or 5909496918 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 10211610665664 in words is "ten trillion, two hundred eleven billion, six hundred ten million, six hundred sixty-five thousand, six hundred sixty-four".