1052210070666 has 120 divisors (see below), whose sum is σ = 2531317987044. Its totient is φ = 326419061760.

The previous prime is 1052210070647. The next prime is 1052210070671. The reversal of 1052210070666 is 6660700122501.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1051180623441 + 1029447225 = 1025271^2 + 32085^2 .

It is a super-2 number, since 2×1052210070666² (a number of 25 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 1052210070666.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 3004906 + ... + 3336746.

Almost surely, 2^{1052210070666} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1052210070666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1265658993522).

1052210070666 is an abundant number, since it is smaller than the sum of its proper divisors (1479107916378).

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

1052210070666 is a wasteful number, since it uses less digits than its factorization.

1052210070666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331938 (or 331906 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 1052210070666 in words is "one trillion, fifty-two billion, two hundred ten million, seventy thousand, six hundred sixty-six".