655630196906 has 8 divisors (see below), whose sum is σ = 985464691680. Its totient is φ = 327141966348.

The previous prime is 655630196899. The next prime is 655630196981. The reversal of 655630196906 is 609691036556.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336564836 + ... + 336566783.

It is an arithmetic number, because the mean of its divisors is an integer number (123183086460).

Almost surely, 2^655630196906 is an apocalyptic number.

655630196906 is a deficient number, since it is larger than the sum of its proper divisors (329834494774).

655630196906 is a wasteful number, since it uses less digits than its factorization.

655630196906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673132108.

The product of its (nonzero) digits is 7873200, while the sum is 56.

The spelling of 655630196906 in words is "six hundred fifty-five billion, six hundred thirty million, one hundred ninety-six thousand, nine hundred six".