10643867099892 has 384 divisors, whose sum is σ = 30200126566400. Its totient is φ = 3222483264000.

The previous prime is 10643867099881. The next prime is 10643867099893. The reversal of 10643867099892 is 29899076834601.

10643867099892 is a `hidden beast` number, since 1 + 0 + 6 + 4 + 386 + 70 + 9 + 98 + 92 = 666.

It is a super-2 number, since 2×10643867099892² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10643867099892.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10643867099893) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 12390997359 + ... + 12390998217.

Almost surely, 2^{10643867099892} is an apocalyptic number.

10643867099892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10643867099892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15100063283200).

10643867099892 is an abundant number, since it is smaller than the sum of its proper divisors (19556259466508).

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

10643867099892 is a wasteful number, since it uses less digits than its factorization.

10643867099892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1524 (or 1516 counting only the distinct ones).

The product of its (nonzero) digits is 282175488, while the sum is 72.

The spelling of 10643867099892 in words is "ten trillion, six hundred forty-three billion, eight hundred sixty-seven million, ninety-nine thousand, eight hundred ninety-two".