18436152053 has 12 divisors (see below), whose sum is σ = 20273477280. Its totient is φ = 16752739080.

The previous prime is 18436152047. The next prime is 18436152079. The reversal of 18436152053 is 35025163481.

It is a happy number.

It is not a de Polignac number, because 18436152053 - 2¹⁸ = 18435889909 is a prime.

It is a super-2 number, since 2×18436152053² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18436151998 and 18436152016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18436152353) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 251528 + ... + 316446.

It is an arithmetic number, because the mean of its divisors is an integer number (1689456440).

Almost surely, 2^18436152053 is an apocalyptic number.

It is an amenable number.

18436152053 is a deficient number, since it is larger than the sum of its proper divisors (1837325227).

18436152053 is a wasteful number, since it uses less digits than its factorization.

18436152053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67288 (or 67277 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 18436152053 in words is "eighteen billion, four hundred thirty-six million, one hundred fifty-two thousand, fifty-three".