1816364832 has 96 divisors (see below), whose sum is σ = 5009558400. Its totient is φ = 575139840.

The previous prime is 1816364827. The next prime is 1816364833. The reversal of 1816364832 is 2384636181.

It is a tau number, because it is divible by the number of its divisors (96).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1816364833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 326232 + ... + 331752.

It is an arithmetic number, because the mean of its divisors is an integer number (52182900).

Almost surely, 2^1816364832 is an apocalyptic number.

1816364832 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 1816364832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2504779200).

1816364832 is an abundant number, since it is smaller than the sum of its proper divisors (3193193568).

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

1816364832 is a wasteful number, since it uses less digits than its factorization.

1816364832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5706 (or 5698 counting only the distinct ones).

The product of its digits is 165888, while the sum is 42.

The square root of 1816364832 is about 42618.8318938940. The cubic root of 1816364832 is about 1220.1157356834.

The spelling of 1816364832 in words is "one billion, eight hundred sixteen million, three hundred sixty-four thousand, eight hundred thirty-two".