243225272665066 has 32 divisors (see below), whose sum is σ = 387065240340480. Its totient is φ = 114231915092736.

The previous prime is 243225272665057. The next prime is 243225272665087. The reversal of 243225272665066 is 660566272522342.

It is a self number, because there is not a number n which added to its sum of digits gives 243225272665066.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1252563115 + ... + 1252757281.

It is an arithmetic number, because the mean of its divisors is an integer number (12095788760640).

Almost surely, 2^{243225272665066} is an apocalyptic number.

243225272665066 is a deficient number, since it is larger than the sum of its proper divisors (143839967675414).

243225272665066 is a wasteful number, since it uses less digits than its factorization.

243225272665066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267078.

The product of its (nonzero) digits is 87091200, while the sum is 58.

The spelling of 243225272665066 in words is "two hundred forty-three trillion, two hundred twenty-five billion, two hundred seventy-two million, six hundred sixty-five thousand, sixty-six".