655343670 has 16 divisors (see below), whose sum is σ = 1572824880. Its totient is φ = 174758304.

The previous prime is 655343641. The next prime is 655343699. The reversal of 655343670 is 76343556.

It is an interprime number because it is at equal distance from previous prime (655343641) and next prime (655343699).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10922365 + ... + 10922424.

It is an arithmetic number, because the mean of its divisors is an integer number (98301555).

Almost surely, 2^655343670 is an apocalyptic number.

655343670 is an abundant number, since it is smaller than the sum of its proper divisors (917481210).

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

655343670 is a wasteful number, since it uses less digits than its factorization.

655343670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21844799.

The product of its (nonzero) digits is 226800, while the sum is 39.

The square root of 655343670 is about 25599.6810527006. The cubic root of 655343670 is about 868.6064226607.

The spelling of 655343670 in words is "six hundred fifty-five million, three hundred forty-three thousand, six hundred seventy".