18148219776 has 96 divisors (see below), whose sum is σ = 54157685400. Its totient is φ = 6049396224.

The previous prime is 18148219757. The next prime is 18148219777. The reversal of 18148219776 is 67791284181.

18148219776 is a `hidden beast` number, since 1 + 8 + 1 + 482 + 1 + 97 + 76 = 666.

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

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18148219777) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 260631 + ... + 322838.

Almost surely, 2^18148219776 is an apocalyptic number.

18148219776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18148219776 is an abundant number, since it is smaller than the sum of its proper divisors (36009465624).

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

18148219776 is an frugal number, since it uses more digits than its factorization.

18148219776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583498 (or 583474 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 54.

The spelling of 18148219776 in words is "eighteen billion, one hundred forty-eight million, two hundred nineteen thousand, seven hundred seventy-six".