306661230545206 has 16 divisors (see below), whose sum is σ = 475882392792240. Its totient is φ = 148034405374240.

The previous prime is 306661230545149. The next prime is 306661230545269. The reversal of 306661230545206 is 602545032166603.

It is a super-2 number, since 2×306661230545206² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 306661230545206.

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, 158805265 + ... + 160724716.

It is an arithmetic number, because the mean of its divisors is an integer number (29742649549515).

Almost surely, 2^{306661230545206} is an apocalyptic number.

306661230545206 is a deficient number, since it is larger than the sum of its proper divisors (169221162247034).

306661230545206 is a wasteful number, since it uses less digits than its factorization.

306661230545206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319546559.

The product of its (nonzero) digits is 4665600, while the sum is 49.

The spelling of 306661230545206 in words is "three hundred six trillion, six hundred sixty-one billion, two hundred thirty million, five hundred forty-five thousand, two hundred six".