345500660 has 12 divisors (see below), whose sum is σ = 725551428. Its totient is φ = 138200256.

The previous prime is 345500653. The next prime is 345500669. The reversal of 345500660 is 66005543.

It can be written as a sum of positive squares in 2 ways, for example, as 169885156 + 175615504 = 13034^2 + 13252^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345500669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8637497 + ... + 8637536.

It is an arithmetic number, because the mean of its divisors is an integer number (60462619).

Almost surely, 2^345500660 is an apocalyptic number.

It is an amenable number.

345500660 is an abundant number, since it is smaller than the sum of its proper divisors (380050768).

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

345500660 is a wasteful number, since it uses less digits than its factorization.

345500660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17275042 (or 17275040 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 345500660 is about 18587.6480491750. The cubic root of 345500660 is about 701.6970118568.

The spelling of 345500660 in words is "three hundred forty-five million, five hundred thousand, six hundred sixty".