1074966681636 has 27 divisors (see below), whose sum is σ = 2717292614673. Its totient is φ = 358320153600.

The previous prime is 1074966681631. The next prime is 1074966681643. The reversal of 1074966681636 is 6361866694701.

The square root of 1074966681636 is 1036806.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1060681651236 + 14285030400 = 1029894^2 + 119520^2 .

It is not an unprimeable number, because it can be changed into a prime (1074966681631) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6134436 + ... + 6307236.

Almost surely, 2^{1074966681636} is an apocalyptic number.

1074966681636 is the 1036806-th square number.

It is an amenable number.

1074966681636 is an abundant number, since it is smaller than the sum of its proper divisors (1642325933037).

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

1074966681636 is an frugal number, since it uses more digits than its factorization.

1074966681636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345612 (or 172806 counting only the distinct ones).

The product of its (nonzero) digits is 47029248, while the sum is 63.

The spelling of 1074966681636 in words is "one trillion, seventy-four billion, nine hundred sixty-six million, six hundred eighty-one thousand, six hundred thirty-six".