520672016615 has 4 divisors (see below), whose sum is σ = 624806419944. Its totient is φ = 416537613288.

The previous prime is 520672016609. The next prime is 520672016621. The reversal of 520672016615 is 516610276025.

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

It is an interprime number because it is at equal distance from previous prime (520672016609) and next prime (520672016621).

It is a cyclic number.

It is not a de Polignac number, because 520672016615 - 2¹² = 520672012519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 52067201657 + ... + 52067201666.

It is an arithmetic number, because the mean of its divisors is an integer number (156201604986).

Almost surely, 2^520672016615 is an apocalyptic number.

520672016615 is a deficient number, since it is larger than the sum of its proper divisors (104134403329).

520672016615 is a wasteful number, since it uses less digits than its factorization.

520672016615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104134403328.

The product of its (nonzero) digits is 151200, while the sum is 41.

The spelling of 520672016615 in words is "five hundred twenty billion, six hundred seventy-two million, sixteen thousand, six hundred fifteen".