424324516660665 has 32 divisors (see below), whose sum is σ = 701012224045056. Its totient is φ = 218946084281280.

The previous prime is 424324516660543. The next prime is 424324516660669. The reversal of 424324516660665 is 566066615423424.

It is not a de Polignac number, because 424324516660665 - 2¹² = 424324516656569 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 424324516660599 and 424324516660608.

It is not an unprimeable number, because it can be changed into a prime (424324516660669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123549739 + ... + 126937728.

It is an arithmetic number, because the mean of its divisors is an integer number (21906632001408).

Almost surely, 2^{424324516660665} is an apocalyptic number.

It is an amenable number.

424324516660665 is a deficient number, since it is larger than the sum of its proper divisors (276687707384391).

424324516660665 is a wasteful number, since it uses less digits than its factorization.

424324516660665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250491149.

The product of its (nonzero) digits is 149299200, while the sum is 60.

The spelling of 424324516660665 in words is "four hundred twenty-four trillion, three hundred twenty-four billion, five hundred sixteen million, six hundred sixty thousand, six hundred sixty-five".