1046666086489 has 3 divisors (see below), whose sum is σ = 1046667109557. Its totient is φ = 1046665063422.

The previous prime is 1046666086483. The next prime is 1046666086553. The reversal of 1046666086489 is 9846806666401.

The square root of 1046666086489 is 1023067.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 1046666086489 - 2³³ = 1038076151897 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1046666086489.

It is not an unprimeable number, because it can be changed into a prime (1046666086483) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 511534 + ... + 1534600.

It is an arithmetic number, because the mean of its divisors is an integer number (348889036519).

Almost surely, 2^{1046666086489} is an apocalyptic number.

1046666086489 is the 1023067-th square number.

1046666086489 is the 511534-th centered octagonal number.

It is an amenable number.

1046666086489 is a deficient number, since it is larger than the sum of its proper divisors (1023068).

1046666086489 is an frugal number, since it uses more digits than its factorization.

1046666086489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2046134 (or 1023067 counting only the distinct ones).

The product of its (nonzero) digits is 71663616, while the sum is 64.

Multiplying 1046666086489 by its sum of digits (64), we get a square (66986629535296 = 8184536²).

The spelling of 1046666086489 in words is "one trillion, forty-six billion, six hundred sixty-six million, eighty-six thousand, four hundred eighty-nine".