18141701952 has 224 divisors, whose sum is σ = 54265909248. Its totient is φ = 5299200000.

The previous prime is 18141701951. The next prime is 18141701971. The reversal of 18141701952 is 25910714181.

It is a super-2 number, since 2×18141701952² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 18141701952.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18141701951) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26253927 + ... + 26254617.

Almost surely, 2^18141701952 is an apocalyptic number.

18141701952 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 18141701952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27132954624).

18141701952 is an abundant number, since it is smaller than the sum of its proper divisors (36124207296).

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

18141701952 is a wasteful number, since it uses less digits than its factorization.

18141701952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149 (or 1139 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 39.

The spelling of 18141701952 in words is "eighteen billion, one hundred forty-one million, seven hundred one thousand, nine hundred fifty-two".