346666356456 has 32 divisors (see below), whose sum is σ = 990475304640. Its totient is φ = 99047530368.

The previous prime is 346666356391. The next prime is 346666356461. The reversal of 346666356456 is 654653666643.

It is a self number, because there is not a number n which added to its sum of digits gives 346666356456.

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, 1031744941 + ... + 1031745276.

It is an arithmetic number, because the mean of its divisors is an integer number (30952353270).

Almost surely, 2^346666356456 is an apocalyptic number.

It is an amenable number.

346666356456 is an abundant number, since it is smaller than the sum of its proper divisors (643808948184).

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

346666356456 is a wasteful number, since it uses less digits than its factorization.

346666356456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2063490233 (or 2063490229 counting only the distinct ones).

The product of its digits is 167961600, while the sum is 60.

The spelling of 346666356456 in words is "three hundred forty-six billion, six hundred sixty-six million, three hundred fifty-six thousand, four hundred fifty-six".