227644161206546 has 32 divisors (see below), whose sum is σ = 390307303776000. Its totient is φ = 97546742042112.

The previous prime is 227644161206543. The next prime is 227644161206573. The reversal of 227644161206546 is 645602161446722.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 227644161206491 and 227644161206500.

It is not an unprimeable number, because it can be changed into a prime (227644161206543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3202206170 + ... + 3202277258.

It is an arithmetic number, because the mean of its divisors is an integer number (12197103243000).

Almost surely, 2^{227644161206546} is an apocalyptic number.

227644161206546 is a deficient number, since it is larger than the sum of its proper divisors (162663142569454).

227644161206546 is a wasteful number, since it uses less digits than its factorization.

227644161206546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103146.

The product of its (nonzero) digits is 23224320, while the sum is 56.

The spelling of 227644161206546 in words is "two hundred twenty-seven trillion, six hundred forty-four billion, one hundred sixty-one million, two hundred six thousand, five hundred forty-six".