18682470912 has 320 divisors, whose sum is σ = 61294362624. Its totient is φ = 4939038720.

The previous prime is 18682470901. The next prime is 18682470941. The reversal of 18682470912 is 21907428681.

It is a happy number.

It is a super-2 number, since 2×18682470912² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7664958 + ... + 7667394.

Almost surely, 2^18682470912 is an apocalyptic number.

18682470912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18682470912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30647181312).

18682470912 is an abundant number, since it is smaller than the sum of its proper divisors (42611891712).

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

18682470912 is a wasteful number, since it uses less digits than its factorization.

18682470912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2519 (or 2503 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 48.

The spelling of 18682470912 in words is "eighteen billion, six hundred eighty-two million, four hundred seventy thousand, nine hundred twelve".