346196665920 has 672 divisors, whose sum is σ = 1386997032960. Its totient is φ = 72652554240.

The previous prime is 346196665901. The next prime is 346196665949. The reversal of 346196665920 is 29566691643.

It is a tau number, because it is divible by the number of its divisors (672).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 32781601 + ... + 32792159.

It is an arithmetic number, because the mean of its divisors is an integer number (2063983680).

Almost surely, 2^346196665920 is an apocalyptic number.

346196665920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 346196665920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (693498516480).

346196665920 is an abundant number, since it is smaller than the sum of its proper divisors (1040800367040).

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

346196665920 is a wasteful number, since it uses less digits than its factorization.

346196665920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10651 (or 10634 counting only the distinct ones).

The product of its (nonzero) digits is 12597120, while the sum is 57.

The spelling of 346196665920 in words is "three hundred forty-six billion, one hundred ninety-six million, six hundred sixty-five thousand, nine hundred twenty".