228620320160 has 48 divisors (see below), whose sum is σ = 563598798336. Its totient is φ = 87472121088.

The previous prime is 228620320153. The next prime is 228620320171. The reversal of 228620320160 is 61023026822.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31058864 + ... + 31066223.

It is an arithmetic number, because the mean of its divisors is an integer number (11741641632).

Almost surely, 2^228620320160 is an apocalyptic number.

228620320160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228620320160 is an abundant number, since it is smaller than the sum of its proper divisors (334978478176).

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

228620320160 is a wasteful number, since it uses less digits than its factorization.

228620320160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62125125 (or 62125117 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

Adding to 228620320160 its reverse (61023026822), we get a palindrome (289643346982).

The spelling of 228620320160 in words is "two hundred twenty-eight billion, six hundred twenty million, three hundred twenty thousand, one hundred sixty".