240166342325057 has 4 divisors (see below), whose sum is σ = 240180535731396. Its totient is φ = 240152148918720.

The previous prime is 240166342325017. The next prime is 240166342325099. The reversal of 240166342325057 is 750523243661042.

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

It can be written as a sum of positive squares in 2 ways, for example, as 185856753119041 + 54309589206016 = 13632929^2 + 7369504^2 .

It is a cyclic number.

It is not a de Polignac number, because 240166342325057 - 2²² = 240166338130753 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 240166342324996 and 240166342325014.

It is not an unprimeable number, because it can be changed into a prime (240166342325017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7096677788 + ... + 7096711629.

It is an arithmetic number, because the mean of its divisors is an integer number (60045133932849).

Almost surely, 2^{240166342325057} is an apocalyptic number.

It is an amenable number.

240166342325057 is a deficient number, since it is larger than the sum of its proper divisors (14193406339).

240166342325057 is a wasteful number, since it uses less digits than its factorization.

240166342325057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14193406338.

The product of its (nonzero) digits is 7257600, while the sum is 50.

Adding to 240166342325057 its reverse (750523243661042), we get a palindrome (990689585986099).

The spelling of 240166342325057 in words is "two hundred forty trillion, one hundred sixty-six billion, three hundred forty-two million, three hundred twenty-five thousand, fifty-seven".