18671828460 has 48 divisors (see below), whose sum is σ = 52743803616. Its totient is φ = 4935089152.

The previous prime is 18671828459. The next prime is 18671828473. The reversal of 18671828460 is 6482817681.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1370199 + ... + 1383758.

It is an arithmetic number, because the mean of its divisors is an integer number (1098829242).

Almost surely, 2^18671828460 is an apocalyptic number.

18671828460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18671828460 is an abundant number, since it is smaller than the sum of its proper divisors (34071975156).

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

18671828460 is a wasteful number, since it uses less digits than its factorization.

18671828460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2754082 (or 2754080 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 51.

The spelling of 18671828460 in words is "eighteen billion, six hundred seventy-one million, eight hundred twenty-eight thousand, four hundred sixty".