18463061712 has 40 divisors (see below), whose sum is σ = 47758041504. Its totient is φ = 6146379904.

The previous prime is 18463061689. The next prime is 18463061717. The reversal of 18463061712 is 21716036481.

It is a super-2 number, since 2×18463061712² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18463061717) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 211698 + ... + 285905.

Almost surely, 2^18463061712 is an apocalyptic number.

18463061712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18463061712 is an abundant number, since it is smaller than the sum of its proper divisors (29294979792).

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

18463061712 is a wasteful number, since it uses less digits than its factorization.

18463061712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498387 (or 498381 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The spelling of 18463061712 in words is "eighteen billion, four hundred sixty-three million, sixty-one thousand, seven hundred twelve".