211612464116 has 24 divisors (see below), whose sum is σ = 372709866984. Its totient is φ = 105125005440.

The previous prime is 211612464103. The next prime is 211612464143. The reversal of 211612464116 is 611464216112.

It can be written as a sum of positive squares in 4 ways, for example, as 17355427600 + 194257036516 = 131740^2 + 440746^2 .

It is a super-2 number, since 2×211612464116² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 657626 + ... + 925038.

It is an arithmetic number, because the mean of its divisors is an integer number (15529577791).

Almost surely, 2^211612464116 is an apocalyptic number.

It is an amenable number.

211612464116 is a deficient number, since it is larger than the sum of its proper divisors (161097402868).

211612464116 is a wasteful number, since it uses less digits than its factorization.

211612464116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268691 (or 268689 counting only the distinct ones).

The product of its digits is 13824, while the sum is 35.

The spelling of 211612464116 in words is "two hundred eleven billion, six hundred twelve million, four hundred sixty-four thousand, one hundred sixteen".