18371016480 has 96 divisors (see below), whose sum is σ = 58661535744. Its totient is φ = 4831819776.

The previous prime is 18371016473. The next prime is 18371016583. The reversal of 18371016480 is 8461017381.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227104 + ... + 297183.

It is an arithmetic number, because the mean of its divisors is an integer number (611057664).

Almost surely, 2^18371016480 is an apocalyptic number.

18371016480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18371016480 is an abundant number, since it is smaller than the sum of its proper divisors (40290519264).

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

18371016480 is a wasteful number, since it uses less digits than its factorization.

18371016480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524378 (or 524370 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 39.

Subtracting from 18371016480 its reverse (8461017381), we obtain a palindrome (9909999099).

The spelling of 18371016480 in words is "eighteen billion, three hundred seventy-one million, sixteen thousand, four hundred eighty".