667253842015 has 32 divisors (see below), whose sum is σ = 808223270400. Its totient is φ = 528817766400.

The previous prime is 667253842009. The next prime is 667253842019. The reversal of 667253842015 is 510248352766.

It is not a de Polignac number, because 667253842015 - 2⁷ = 667253841887 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 667253842015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667253842019) 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, 402687067 + ... + 402688723.

It is an arithmetic number, because the mean of its divisors is an integer number (25256977200).

Almost surely, 2^667253842015 is an apocalyptic number.

667253842015 is a deficient number, since it is larger than the sum of its proper divisors (140969428385).

667253842015 is a wasteful number, since it uses less digits than its factorization.

667253842015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3283.

The product of its (nonzero) digits is 2419200, while the sum is 49.

The spelling of 667253842015 in words is "six hundred sixty-seven billion, two hundred fifty-three million, eight hundred forty-two thousand, fifteen".