345536820660 has 48 divisors (see below), whose sum is σ = 981943454016. Its totient is φ = 90767880192.

The previous prime is 345536820659. The next prime is 345536820691. The reversal of 345536820660 is 66028635543.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42973197 + ... + 42981236.

It is an arithmetic number, because the mean of its divisors is an integer number (20457155292).

Almost surely, 2^345536820660 is an apocalyptic number.

345536820660 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

345536820660 is an abundant number, since it is smaller than the sum of its proper divisors (636406633356).

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

345536820660 is a wasteful number, since it uses less digits than its factorization.

345536820660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85954512 (or 85954510 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 48.

The spelling of 345536820660 in words is "three hundred forty-five billion, five hundred thirty-six million, eight hundred twenty thousand, six hundred sixty".