211659257164 has 12 divisors (see below), whose sum is σ = 370823189464. Its totient is φ = 105709774464.

The previous prime is 211659257153. The next prime is 211659257179. The reversal of 211659257164 is 461752956112.

It is a super-2 number, since 2×211659257164² (a number of 23 digits) contains 22 as substring.

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, 29959557 + ... + 29966620.

Almost surely, 2^211659257164 is an apocalyptic number.

It is an amenable number.

211659257164 is a deficient number, since it is larger than the sum of its proper divisors (159163932300).

211659257164 is a wasteful number, since it uses less digits than its factorization.

211659257164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59927064 (or 59927062 counting only the distinct ones).

The product of its digits is 907200, while the sum is 49.

The spelling of 211659257164 in words is "two hundred eleven billion, six hundred fifty-nine million, two hundred fifty-seven thousand, one hundred sixty-four".