662807212472543 has 32 divisors (see below), whose sum is σ = 680330413224000. Its totient is φ = 645588517248000.

The previous prime is 662807212472521. The next prime is 662807212472563. The reversal of 662807212472543 is 345274212708266.

It is a cyclic number.

It is not a de Polignac number, because 662807212472543 - 2¹⁰ = 662807212471519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662807212472563) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3954778355 + ... + 3954945947.

It is an arithmetic number, because the mean of its divisors is an integer number (21260325413250).

Almost surely, 2^{662807212472543} is an apocalyptic number.

662807212472543 is a deficient number, since it is larger than the sum of its proper divisors (17523200751457).

662807212472543 is a wasteful number, since it uses less digits than its factorization.

662807212472543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170363.

The product of its (nonzero) digits is 54190080, while the sum is 59.

The spelling of 662807212472543 in words is "six hundred sixty-two trillion, eight hundred seven billion, two hundred twelve million, four hundred seventy-two thousand, five hundred forty-three".