12164503554 has 48 divisors (see below), whose sum is σ = 30149428608. Its totient is φ = 3472364736.

The previous prime is 12164503537. The next prime is 12164503583. The reversal of 12164503554 is 45530546121.

12164503554 is a `hidden beast` number, since 1 + 2 + 1 + 645 + 0 + 3 + 5 + 5 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94219 + ... + 182225.

It is an arithmetic number, because the mean of its divisors is an integer number (628113096).

Almost surely, 2^12164503554 is an apocalyptic number.

12164503554 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12164503554 is an abundant number, since it is smaller than the sum of its proper divisors (17984925054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12164503554 is a wasteful number, since it uses less digits than its factorization.

12164503554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89119 (or 89116 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 12164503554 in words is "twelve billion, one hundred sixty-four million, five hundred three thousand, five hundred fifty-four".