18346209696 has 480 divisors, whose sum is σ = 59891166720. Its totient is φ = 5486745600.

The previous prime is 18346209653. The next prime is 18346209733. The reversal of 18346209696 is 69690264381.

18346209696 is a `hidden beast` number, since 1 + 8 + 3 + 4 + 620 + 9 + 6 + 9 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 93127870 + ... + 93128066.

It is an arithmetic number, because the mean of its divisors is an integer number (124773264).

Almost surely, 2^18346209696 is an apocalyptic number.

18346209696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18346209696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29945583360).

18346209696 is an abundant number, since it is smaller than the sum of its proper divisors (41544957024).

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

18346209696 is a wasteful number, since it uses less digits than its factorization.

18346209696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330 (or 313 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 54.

The spelling of 18346209696 in words is "eighteen billion, three hundred forty-six million, two hundred nine thousand, six hundred ninety-six".