346864056816 has 80 divisors (see below), whose sum is σ = 949006000800. Its totient is φ = 108793626624.

The previous prime is 346864056779. The next prime is 346864056853. The reversal of 346864056816 is 618650468643.

It is an interprime number because it is at equal distance from previous prime (346864056779) and next prime (346864056853).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3450270 + ... + 3549378.

It is an arithmetic number, because the mean of its divisors is an integer number (11862575010).

Almost surely, 2^346864056816 is an apocalyptic number.

It is an amenable number.

346864056816 is an abundant number, since it is smaller than the sum of its proper divisors (602141943984).

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

346864056816 is a wasteful number, since it uses less digits than its factorization.

346864056816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103426 (or 103420 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 57.

The spelling of 346864056816 in words is "three hundred forty-six billion, eight hundred sixty-four million, fifty-six thousand, eight hundred sixteen".