666013424652455 has 48 divisors (see below), whose sum is σ = 897619683916800. Its totient is φ = 470402045193600.

The previous prime is 666013424652427. The next prime is 666013424652461. The reversal of 666013424652455 is 554256424310666.

It is not a de Polignac number, because 666013424652455 - 2¹⁸ = 666013424390311 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 666013424652394 and 666013424652403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4429235 + ... + 36764724.

It is an arithmetic number, because the mean of its divisors is an integer number (18700410081600).

Almost surely, 2^{666013424652455} is an apocalyptic number.

666013424652455 is a deficient number, since it is larger than the sum of its proper divisors (231606259264345).

666013424652455 is a wasteful number, since it uses less digits than its factorization.

666013424652455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41194176 (or 41194115 counting only the distinct ones).

The product of its (nonzero) digits is 124416000, while the sum is 59.

The spelling of 666013424652455 in words is "six hundred sixty-six trillion, thirteen billion, four hundred twenty-four million, six hundred fifty-two thousand, four hundred fifty-five".