510116656021 has 8 divisors (see below), whose sum is σ = 596548382144. Its totient is φ = 427074409440.

The previous prime is 510116656009. The next prime is 510116656039. The reversal of 510116656021 is 120656611015.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 510116656021 - 2¹⁵ = 510116623253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (510116653021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 847369560 + ... + 847370161.

It is an arithmetic number, because the mean of its divisors is an integer number (74568547768).

Almost surely, 2^510116656021 is an apocalyptic number.

It is an amenable number.

510116656021 is a deficient number, since it is larger than the sum of its proper divisors (86431726123).

510116656021 is a wasteful number, since it uses less digits than its factorization.

510116656021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1694739771.

The product of its (nonzero) digits is 10800, while the sum is 34.

The spelling of 510116656021 in words is "five hundred ten billion, one hundred sixteen million, six hundred fifty-six thousand, twenty-one".