182105985406 has 32 divisors (see below), whose sum is σ = 284581287936. Its totient is φ = 87302124000.

The previous prime is 182105985389. The next prime is 182105985491. The reversal of 182105985406 is 604589501281.

It is a self number, because there is not a number n which added to its sum of digits gives 182105985406.

It is a congruent number.

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, 5107216 + ... + 5142748.

It is an arithmetic number, because the mean of its divisors is an integer number (8893165248).

Almost surely, 2^182105985406 is an apocalyptic number.

182105985406 is a deficient number, since it is larger than the sum of its proper divisors (102475302530).

182105985406 is a wasteful number, since it uses less digits than its factorization.

182105985406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36328.

The product of its (nonzero) digits is 691200, while the sum is 49.

The spelling of 182105985406 in words is "one hundred eighty-two billion, one hundred five million, nine hundred eighty-five thousand, four hundred six".