211429804977168 has 80 divisors (see below), whose sum is σ = 548671392711936. Its totient is φ = 70157041873920.

The previous prime is 211429804977121. The next prime is 211429804977173. The reversal of 211429804977168 is 861779408924112.

It is a Smith number, since the sum of its digits (69) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43678146 + ... + 48276702.

Almost surely, 2^{211429804977168} is an apocalyptic number.

It is an amenable number.

211429804977168 is an abundant number, since it is smaller than the sum of its proper divisors (337241587734768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211429804977168 is a wasteful number, since it uses less digits than its factorization.

211429804977168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4602912 (or 4602906 counting only the distinct ones).

The product of its (nonzero) digits is 97542144, while the sum is 69.

The spelling of 211429804977168 in words is "two hundred eleven trillion, four hundred twenty-nine billion, eight hundred four million, nine hundred seventy-seven thousand, one hundred sixty-eight".