18099713196 has 384 divisors, whose sum is σ = 54190080000. Its totient is φ = 5193745920.

The previous prime is 18099713171. The next prime is 18099713197. The reversal of 18099713196 is 69131799081.

It is a happy number.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

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

It is not an unprimeable number, because it can be changed into a prime (18099713197) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 130213695 + ... + 130213833.

It is an arithmetic number, because the mean of its divisors is an integer number (141120000).

Almost surely, 2^18099713196 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18099713196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27095040000).

18099713196 is an abundant number, since it is smaller than the sum of its proper divisors (36090366804).

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

18099713196 is a wasteful number, since it uses less digits than its factorization.

18099713196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314 (or 306 counting only the distinct ones).

The product of its (nonzero) digits is 734832, while the sum is 54.

The spelling of 18099713196 in words is "eighteen billion, ninety-nine million, seven hundred thirteen thousand, one hundred ninety-six".