306216406242154 has 16 divisors (see below), whose sum is σ = 463393218463560. Its totient is φ = 151752022248960.

The previous prime is 306216406242143. The next prime is 306216406242163. The reversal of 306216406242154 is 451242604612603.

It can be written as a sum of positive squares in 4 ways, for example, as 64038165688225 + 242178240553929 = 8002385^2 + 15562077^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22468942 + ... + 33425830.

Almost surely, 2^{306216406242154} is an apocalyptic number.

306216406242154 is a deficient number, since it is larger than the sum of its proper divisors (157176812221406).

306216406242154 is a wasteful number, since it uses less digits than its factorization.

306216406242154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11080665.

The product of its (nonzero) digits is 1658880, while the sum is 46.

The spelling of 306216406242154 in words is "three hundred six trillion, two hundred sixteen billion, four hundred six million, two hundred forty-two thousand, one hundred fifty-four".