10643630164650 has 72 divisors (see below), whose sum is σ = 32681013010464. Its totient is φ = 2432829751200.

The previous prime is 10643630164649. The next prime is 10643630164729. The reversal of 10643630164650 is 5646103634601.

10643630164650 is a `hidden beast` number, since 1 + 0 + 6 + 4 + 3 + 630 + 1 + 6 + 4 + 6 + 5 + 0 = 666.

10643630164650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10643630164650² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10643630164596 and 10643630164605.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1689461956 + ... + 1689468255.

Almost surely, 2^{10643630164650} is an apocalyptic number.

10643630164650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10643630164650 is an abundant number, since it is smaller than the sum of its proper divisors (22037382845814).

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

10643630164650 is a wasteful number, since it uses less digits than its factorization.

10643630164650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3378930236 (or 3378930228 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

The spelling of 10643630164650 in words is "ten trillion, six hundred forty-three billion, six hundred thirty million, one hundred sixty-four thousand, six hundred fifty".