211611146406 has 16 divisors (see below), whose sum is σ = 461697046848. Its totient is φ = 64124589800.

The previous prime is 211611146377. The next prime is 211611146423. The reversal of 211611146406 is 604641116112.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 1603114680 + ... + 1603114811.

It is an arithmetic number, because the mean of its divisors is an integer number (28856065428).

Almost surely, 2^211611146406 is an apocalyptic number.

211611146406 is an abundant number, since it is smaller than the sum of its proper divisors (250085900442).

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

211611146406 is a wasteful number, since it uses less digits than its factorization.

211611146406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3206229507.

The product of its (nonzero) digits is 6912, while the sum is 33.

The spelling of 211611146406 in words is "two hundred eleven billion, six hundred eleven million, one hundred forty-six thousand, four hundred six".