1052840678166 has 96 divisors (see below), whose sum is σ = 2450276682048. Its totient is φ = 325528842240.

The previous prime is 1052840678147. The next prime is 1052840678243. The reversal of 1052840678166 is 6618760482501.

1052840678166 is a `hidden beast` number, since 1 + 0 + 5 + 2 + 8 + 406 + 78 + 166 = 666.

It is a super-2 number, since 2×1052840678166² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 70667230 + ... + 70682126.

It is an arithmetic number, because the mean of its divisors is an integer number (25523715438).

Almost surely, 2^{1052840678166} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1052840678166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1225138341024).

1052840678166 is an abundant number, since it is smaller than the sum of its proper divisors (1397436003882).

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

1052840678166 is a wasteful number, since it uses less digits than its factorization.

1052840678166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18246 (or 18243 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 1052840678166 in words is "one trillion, fifty-two billion, eight hundred forty million, six hundred seventy-eight thousand, one hundred sixty-six".