10665433421874 has 96 divisors (see below), whose sum is σ = 29877577906176. Its totient is φ = 2770242437520.

The previous prime is 10665433421857. The next prime is 10665433421891. The reversal of 10665433421874 is 47812433456601.

10665433421874 is a `hidden beast` number, since 1 + 0 + 6 + 6 + 543 + 3 + 4 + 21 + 8 + 74 = 666.

It is an interprime number because it is at equal distance from previous prime (10665433421857) and next prime (10665433421891).

It is a super-2 number, since 2×10665433421874² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10665433421874.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 142464762 + ... + 142539605.

It is an arithmetic number, because the mean of its divisors is an integer number (311224769856).

Almost surely, 2^{10665433421874} is an apocalyptic number.

10665433421874 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

10665433421874 is an abundant number, since it is smaller than the sum of its proper divisors (19212144484302).

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

10665433421874 is a wasteful number, since it uses less digits than its factorization.

10665433421874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285004402 (or 285004390 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 54.

The spelling of 10665433421874 in words is "ten trillion, six hundred sixty-five billion, four hundred thirty-three million, four hundred twenty-one thousand, eight hundred seventy-four".