511016636216 has 16 divisors (see below), whose sum is σ = 958211235240. Its totient is φ = 255493640160.

The previous prime is 511016636209. The next prime is 511016636231. The reversal of 511016636216 is 612636610115.

It is a super-2 number, since 2×511016636216² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 511016636216.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1686071 + ... + 1965926.

Almost surely, 2^511016636216 is an apocalyptic number.

It is an amenable number.

511016636216 is a deficient number, since it is larger than the sum of its proper divisors (447194599024).

511016636216 is a wasteful number, since it uses less digits than its factorization.

511016636216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3669494 (or 3669490 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The spelling of 511016636216 in words is "five hundred eleven billion, sixteen million, six hundred thirty-six thousand, two hundred sixteen".