307224042021166 has 4 divisors (see below), whose sum is σ = 460836063031752. Its totient is φ = 153612021010582.

The previous prime is 307224042021163. The next prime is 307224042021203. The reversal of 307224042021166 is 661120240422703.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×307224042021166² (a number of 30 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (307224042021163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76806010505290 + ... + 76806010505293.

It is an arithmetic number, because the mean of its divisors is an integer number (115209015757938).

Almost surely, 2^{307224042021166} is an apocalyptic number.

307224042021166 is a deficient number, since it is larger than the sum of its proper divisors (153612021010586).

307224042021166 is a wasteful number, since it uses less digits than its factorization.

307224042021166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153612021010585.

The product of its (nonzero) digits is 193536, while the sum is 40.

Adding to 307224042021166 its reverse (661120240422703), we get a palindrome (968344282443869).

The spelling of 307224042021166 in words is "three hundred seven trillion, two hundred twenty-four billion, forty-two million, twenty-one thousand, one hundred sixty-six".