346513353378 has 32 divisors (see below), whose sum is σ = 733818165120. Its totient is φ = 108706341120.

The previous prime is 346513353377. The next prime is 346513353383. The reversal of 346513353378 is 873353315643.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 346513353378.

It is not an unprimeable number, because it can be changed into a prime (346513353377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5841508 + ... + 5900528.

It is an arithmetic number, because the mean of its divisors is an integer number (22931817660).

Almost surely, 2^346513353378 is an apocalyptic number.

346513353378 is an abundant number, since it is smaller than the sum of its proper divisors (387304811742).

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

346513353378 is a wasteful number, since it uses less digits than its factorization.

346513353378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116602.

The product of its digits is 8164800, while the sum is 51.

The spelling of 346513353378 in words is "three hundred forty-six billion, five hundred thirteen million, three hundred fifty-three thousand, three hundred seventy-eight".