667462363666363 has 4 divisors (see below), whose sum is σ = 667462649471968. Its totient is φ = 667462077860760.

The previous prime is 667462363666327. The next prime is 667462363666379. The reversal of 667462363666363 is 363666363264766.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-667462363666363 is a prime.

It is a super-2 number, since 2×667462363666363² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (667462363636363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139370643 + ... + 144080188.

It is an arithmetic number, because the mean of its divisors is an integer number (166865662367992).

Almost surely, 2^{667462363666363} is an apocalyptic number.

667462363666363 is a deficient number, since it is larger than the sum of its proper divisors (285805605).

667462363666363 is a wasteful number, since it uses less digits than its factorization.

667462363666363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285805604.

The product of its digits is 7618738176, while the sum is 73.

The spelling of 667462363666363 in words is "six hundred sixty-seven trillion, four hundred sixty-two billion, three hundred sixty-three million, six hundred sixty-six thousand, three hundred sixty-three".