346696386819870 has 128 divisors (see below), whose sum is σ = 882293937315840. Its totient is φ = 87005387018880.

The previous prime is 346696386819857. The next prime is 346696386819889. The reversal of 346696386819870 is 78918683696643.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 32868991 + ... + 42116069.

It is an arithmetic number, because the mean of its divisors is an integer number (6892921385280).

Almost surely, 2^{346696386819870} is an apocalyptic number.

346696386819870 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 346696386819870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (441146968657920).

346696386819870 is an abundant number, since it is smaller than the sum of its proper divisors (535597550495970).

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

346696386819870 is a wasteful number, since it uses less digits than its factorization.

346696386819870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9247990.

The product of its (nonzero) digits is 13544423424, while the sum is 84.

The spelling of 346696386819870 in words is "three hundred forty-six trillion, six hundred ninety-six billion, three hundred eighty-six million, eight hundred nineteen thousand, eight hundred seventy".