84555381160 has 72 divisors (see below), whose sum is σ = 198980509770. Its totient is φ = 32335440192.

The previous prime is 84555381151. The next prime is 84555381191. The reversal of 84555381160 is 6118355548.

It can be written as a sum of positive squares in only one way, i.e., 76099843044 + 8455538116 = 275862^2 + 91954^2 .

It is a super-2 number, since 2×84555381160² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a self number, because there is not a number n which added to its sum of digits gives 84555381160.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 42297841 + ... + 42299839.

Almost surely, 2^84555381160 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84555381160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99490254885).

84555381160 is an abundant number, since it is smaller than the sum of its proper divisors (114425128610).

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

84555381160 is an equidigital number, since it uses as much as digits as its factorization.

84555381160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4055 (or 2029 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 46.

The spelling of 84555381160 in words is "eighty-four billion, five hundred fifty-five million, three hundred eighty-one thousand, one hundred sixty".