346506066 has 16 divisors (see below), whose sum is σ = 770013600. Its totient is φ = 115502004.

The previous prime is 346506037. The next prime is 346506067. The reversal of 346506066 is 660605643.

346506066 is a `hidden beast` number, since 3 + 46 + 5 + 0 + 606 + 6 = 666.

It is a zygodrome in base 3.

It is a self number, because there is not a number n which added to its sum of digits gives 346506066.

It is not an unprimeable number, because it can be changed into a prime (346506067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3208336 + ... + 3208443.

It is an arithmetic number, because the mean of its divisors is an integer number (48125850).

Almost surely, 2^346506066 is an apocalyptic number.

346506066 is an abundant number, since it is smaller than the sum of its proper divisors (423507534).

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

346506066 is a wasteful number, since it uses less digits than its factorization.

346506066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6416790 (or 6416784 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The square root of 346506066 is about 18614.6734056765. The cubic root of 346506066 is about 702.3769981748.

The spelling of 346506066 in words is "three hundred forty-six million, five hundred six thousand, sixty-six".