238551860160 has 224 divisors, whose sum is σ = 843259680000. Its totient is φ = 63485199360.

The previous prime is 238551860149. The next prime is 238551860167. The reversal of 238551860160 is 61068155832.

238551860160 is a `hidden beast` number, since 2 + 3 + 8 + 551 + 86 + 0 + 16 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238551860167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4283695 + ... + 4339025.

Almost surely, 2^238551860160 is an apocalyptic number.

238551860160 is a gapful number since it is divisible by the number (20) 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 238551860160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (421629840000).

238551860160 is an abundant number, since it is smaller than the sum of its proper divisors (604707819840).

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

238551860160 is a wasteful number, since it uses less digits than its factorization.

238551860160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55856 (or 55840 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The spelling of 238551860160 in words is "two hundred thirty-eight billion, five hundred fifty-one million, eight hundred sixty thousand, one hundred sixty".