12186606157 has 8 divisors (see below), whose sum is σ = 13346212032. Its totient is φ = 11035622400.

The previous prime is 12186606119. The next prime is 12186606191. The reversal of 12186606157 is 75160668121.

12186606157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12186606157 - 2¹⁵ = 12186573389 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 (12186600157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2152569 + ... + 2158222.

It is an arithmetic number, because the mean of its divisors is an integer number (1668276504).

Almost surely, 2^12186606157 is an apocalyptic number.

It is an amenable number.

12186606157 is a deficient number, since it is larger than the sum of its proper divisors (1159605875).

12186606157 is a wasteful number, since it uses less digits than its factorization.

12186606157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4311059.

The product of its (nonzero) digits is 120960, while the sum is 43.

The spelling of 12186606157 in words is "twelve billion, one hundred eighty-six million, six hundred six thousand, one hundred fifty-seven".