18147751076 has 48 divisors (see below), whose sum is σ = 39728290560. Its totient is φ = 7061627520.

The previous prime is 18147751057. The next prime is 18147751079. The reversal of 18147751076 is 67015774181.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 18147751076.

It is not an unprimeable number, because it can be changed into a prime (18147751079) 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, 386456 + ... + 430863.

It is an arithmetic number, because the mean of its divisors is an integer number (827672720).

Almost surely, 2^18147751076 is an apocalyptic number.

It is an amenable number.

18147751076 is an abundant number, since it is smaller than the sum of its proper divisors (21580539484).

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

18147751076 is a wasteful number, since it uses less digits than its factorization.

18147751076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817404 (or 817402 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 47.

The spelling of 18147751076 in words is "eighteen billion, one hundred forty-seven million, seven hundred fifty-one thousand, seventy-six".