18151276716 has 72 divisors (see below), whose sum is σ = 47732652240. Its totient is φ = 6031236672.

The previous prime is 18151276691. The next prime is 18151276769. The reversal of 18151276716 is 61767215181.

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, 278670 + ... + 337578.

Almost surely, 2^18151276716 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 18151276716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23866326120).

18151276716 is an abundant number, since it is smaller than the sum of its proper divisors (29581375524).

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

18151276716 is a wasteful number, since it uses less digits than its factorization.

18151276716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59245 (or 59231 counting only the distinct ones).

The product of its digits is 141120, while the sum is 45.

The spelling of 18151276716 in words is "eighteen billion, one hundred fifty-one million, two hundred seventy-six thousand, seven hundred sixteen".