1466620256645 has 16 divisors (see below), whose sum is σ = 1846723224960. Its totient is φ = 1116013571904.

The previous prime is 1466620256639. The next prime is 1466620256653. The reversal of 1466620256645 is 5466520266641.

It is a cyclic number.

It is not a de Polignac number, because 1466620256645 - 2¹⁰ = 1466620255621 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35602934 + ... + 35644103.

It is an arithmetic number, because the mean of its divisors is an integer number (115420201560).

Almost surely, 2^{1466620256645} is an apocalyptic number.

It is an amenable number.

1466620256645 is a deficient number, since it is larger than the sum of its proper divisors (380102968315).

1466620256645 is a wasteful number, since it uses less digits than its factorization.

1466620256645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71247244.

The product of its (nonzero) digits is 12441600, while the sum is 53.

The spelling of 1466620256645 in words is "one trillion, four hundred sixty-six billion, six hundred twenty million, two hundred fifty-six thousand, six hundred forty-five".