18196108733292 has 48 divisors (see below), whose sum is σ = 48645180783360. Its totient is φ = 5185792763712.

The previous prime is 18196108733269. The next prime is 18196108733293. The reversal of 18196108733292 is 29233780169181.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (18196108733293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 272788242 + ... + 272854937.

It is an arithmetic number, because the mean of its divisors is an integer number (1013441266320).

Almost surely, 2^{18196108733292} is an apocalyptic number.

18196108733292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18196108733292 is an abundant number, since it is smaller than the sum of its proper divisors (30449072050068).

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

18196108733292 is a wasteful number, since it uses less digits than its factorization.

18196108733292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545643590 (or 545643588 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 60.

The spelling of 18196108733292 in words is "eighteen trillion, one hundred ninety-six billion, one hundred eight million, seven hundred thirty-three thousand, two hundred ninety-two".