240166400101636 has 6 divisors (see below), whose sum is σ = 420291200177870. Its totient is φ = 120083200050816.

The previous prime is 240166400101597. The next prime is 240166400101673. The reversal of 240166400101636 is 636101004661042.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 229965275135236 + 10201124966400 = 15164606^2 + 3193920^2 .

It is a super-2 number, since 2×240166400101636² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 30020800012701 + ... + 30020800012708.

Almost surely, 2^{240166400101636} is an apocalyptic number.

It is an amenable number.

240166400101636 is a deficient number, since it is larger than the sum of its proper divisors (180124800076234).

240166400101636 is a wasteful number, since it uses less digits than its factorization.

240166400101636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60041600025413 (or 60041600025411 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 40.

Adding to 240166400101636 its reverse (636101004661042), we get a palindrome (876267404762678).

The spelling of 240166400101636 in words is "two hundred forty trillion, one hundred sixty-six billion, four hundred million, one hundred one thousand, six hundred thirty-six".