18254697552 has 360 divisors, whose sum is σ = 64545202176. Its totient is φ = 4773468672.

The previous prime is 18254697551. The next prime is 18254697581. The reversal of 18254697552 is 25579645281.

18254697552 is a `hidden beast` number, since 1 + 8 + 2 + 546 + 97 + 5 + 5 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18254697551) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 11648673 + ... + 11650239.

Almost surely, 2^18254697552 is an apocalyptic number.

18254697552 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 18254697552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32272601088).

18254697552 is an abundant number, since it is smaller than the sum of its proper divisors (46290504624).

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

18254697552 is a wasteful number, since it uses less digits than its factorization.

18254697552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1735 (or 1719 counting only the distinct ones).

The product of its digits is 6048000, while the sum is 54.

It can be divided in two parts, 18254 and 697552, that added together give a triangular number (715806 = T₁₁₉₆).

The spelling of 18254697552 in words is "eighteen billion, two hundred fifty-four million, six hundred ninety-seven thousand, five hundred fifty-two".