11663340157 has 8 divisors (see below), whose sum is σ = 13346781696. Its totient is φ = 9984211152.

The previous prime is 11663340109. The next prime is 11663340179. The reversal of 11663340157 is 75104336611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11663340157 - 2¹⁵ = 11663307389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11663340197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1072333 + ... + 1083154.

It is an arithmetic number, because the mean of its divisors is an integer number (1668347712).

Almost surely, 2^11663340157 is an apocalyptic number.

It is an amenable number.

11663340157 is a deficient number, since it is larger than the sum of its proper divisors (1683441539).

11663340157 is an equidigital number, since it uses as much as digits as its factorization.

11663340157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2156267.

The product of its (nonzero) digits is 45360, while the sum is 37.

Adding to 11663340157 its reverse (75104336611), we get a palindrome (86767676768).

The spelling of 11663340157 in words is "eleven billion, six hundred sixty-three million, three hundred forty thousand, one hundred fifty-seven".