18234455652 has 54 divisors (see below), whose sum is σ = 53617987878. Its totient is φ = 5209843968.

The previous prime is 18234455639. The next prime is 18234455717. The reversal of 18234455652 is 25655443281.

18234455652 is a `hidden beast` number, since 1 + 8 + 2 + 3 + 44 + 556 + 52 = 666.

It can be written as a sum of positive squares in only one way, i.e., 17039647296 + 1194808356 = 130536^2 + 34566^2 .

It is a junction number, because it is equal to n+sod(n) for n = 18234455598 and 18234455607.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5166733 + ... + 5170260.

Almost surely, 2^18234455652 is an apocalyptic number.

18234455652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18234455652 is an abundant number, since it is smaller than the sum of its proper divisors (35383532226).

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

18234455652 is a wasteful number, since it uses less digits than its factorization.

18234455652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10337017 (or 10337005 counting only the distinct ones).

The product of its digits is 1152000, while the sum is 45.

The spelling of 18234455652 in words is "eighteen billion, two hundred thirty-four million, four hundred fifty-five thousand, six hundred fifty-two".