346643221486 has 8 divisors (see below), whose sum is σ = 537894654120. Its totient is φ = 167345003448.

The previous prime is 346643221411. The next prime is 346643221487. The reversal of 346643221486 is 684122346643.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (346643221487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2988303576 + ... + 2988303691.

It is an arithmetic number, because the mean of its divisors is an integer number (67236831765).

Almost surely, 2^346643221486 is an apocalyptic number.

346643221486 is a deficient number, since it is larger than the sum of its proper divisors (191251432634).

346643221486 is a wasteful number, since it uses less digits than its factorization.

346643221486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5976607298.

The product of its digits is 3981312, while the sum is 49.

The spelling of 346643221486 in words is "three hundred forty-six billion, six hundred forty-three million, two hundred twenty-one thousand, four hundred eighty-six".