18482661803634 has 24 divisors (see below), whose sum is σ = 43000478482608. Its totient is φ = 5280760515240.

The previous prime is 18482661803611. The next prime is 18482661803657. The reversal of 18482661803634 is 43630816628481.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (18482661803611) and next prime (18482661803657).

It is a super-2 number, since 2×18482661803634² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31433098012 + ... + 31433098599.

It is an arithmetic number, because the mean of its divisors is an integer number (1791686603442).

Almost surely, 2^{18482661803634} is an apocalyptic number.

18482661803634 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18482661803634 is an abundant number, since it is smaller than the sum of its proper divisors (24517816678974).

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

18482661803634 is a wasteful number, since it uses less digits than its factorization.

18482661803634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62866196630 (or 62866196623 counting only the distinct ones).

The product of its (nonzero) digits is 31850496, while the sum is 60.

The spelling of 18482661803634 in words is "eighteen trillion, four hundred eighty-two billion, six hundred sixty-one million, eight hundred three thousand, six hundred thirty-four".