306641226646 has 8 divisors (see below), whose sum is σ = 469748262240. Its totient is φ = 150058472568.

The previous prime is 306641226637. The next prime is 306641226659. The reversal of 306641226646 is 646622146603.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 306641226596 and 306641226605.

It is a congruent number.

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, 1631070261 + ... + 1631070448.

It is an arithmetic number, because the mean of its divisors is an integer number (58718532780).

Almost surely, 2^306641226646 is an apocalyptic number.

306641226646 is a deficient number, since it is larger than the sum of its proper divisors (163107035594).

306641226646 is a wasteful number, since it uses less digits than its factorization.

306641226646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3262140758.

The product of its (nonzero) digits is 1492992, while the sum is 46.

The spelling of 306641226646 in words is "three hundred six billion, six hundred forty-one million, two hundred twenty-six thousand, six hundred forty-six".