215060516416 has 28 divisors (see below), whose sum is σ = 426778552588. Its totient is φ = 107525763072.

The previous prime is 215060516401. The next prime is 215060516423. The reversal of 215060516416 is 614615060512.

It can be written as a sum of positive squares in 2 ways, for example, as 60693249600 + 154367266816 = 246360^2 + 392896^2 .

It is a super-2 number, since 2×215060516416² (a number of 23 digits) contains 22 as substring.

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, 1901980 + ... + 2011876.

Almost surely, 2^215060516416 is an apocalyptic number.

It is an amenable number.

215060516416 is a deficient number, since it is larger than the sum of its proper divisors (211718036172).

215060516416 is a wasteful number, since it uses less digits than its factorization.

215060516416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140486 (or 140476 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

Adding to 215060516416 its reverse (614615060512), we get a palindrome (829675576928).

The spelling of 215060516416 in words is "two hundred fifteen billion, sixty million, five hundred sixteen thousand, four hundred sixteen".