66532445463 has 16 divisors (see below), whose sum is σ = 97861824000. Its totient is φ = 39869628480.

The previous prime is 66532445461. The next prime is 66532445467. The reversal of 66532445463 is 36454423566.

It is not a de Polignac number, because 66532445463 - 2¹ = 66532445461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66532445461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11323663 + ... + 11329536.

It is an arithmetic number, because the mean of its divisors is an integer number (6116364000).

Almost surely, 2^66532445463 is an apocalyptic number.

66532445463 is a deficient number, since it is larger than the sum of its proper divisors (31329378537).

66532445463 is a wasteful number, since it uses less digits than its factorization.

66532445463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22653302.

The product of its digits is 6220800, while the sum is 48.

The spelling of 66532445463 in words is "sixty-six billion, five hundred thirty-two million, four hundred forty-five thousand, four hundred sixty-three".