405012353166 has 12 divisors (see below), whose sum is σ = 877526765232. Its totient is φ = 135004117716.

The previous prime is 405012353147. The next prime is 405012353197. The reversal of 405012353166 is 661353210504.

405012353166 is a `hidden beast` number, since 4 + 0 + 50 + 12 + 3 + 531 + 66 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 405012353166.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11250343126 + ... + 11250343161.

It is an arithmetic number, because the mean of its divisors is an integer number (73127230436).

Almost surely, 2^405012353166 is an apocalyptic number.

405012353166 is an abundant number, since it is smaller than the sum of its proper divisors (472514412066).

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

405012353166 is a wasteful number, since it uses less digits than its factorization.

405012353166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22500686295 (or 22500686292 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 405012353166 in words is "four hundred five billion, twelve million, three hundred fifty-three thousand, one hundred sixty-six".