1816309670260 has 96 divisors (see below), whose sum is σ = 4043274278400. Its totient is φ = 684149007360.

The previous prime is 1816309670243. The next prime is 1816309670261. The reversal of 1816309670260 is 620769036181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1816309670261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90900951 + ... + 90920929.

It is an arithmetic number, because the mean of its divisors is an integer number (42117440400).

Almost surely, 2^{1816309670260} is an apocalyptic number.

1816309670260 is a gapful number since it is divisible by the number (10) 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 1816309670260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2021637139200).

1816309670260 is an abundant number, since it is smaller than the sum of its proper divisors (2226964608140).

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

1816309670260 is a wasteful number, since it uses less digits than its factorization.

1816309670260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23881 (or 23879 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 49.

The spelling of 1816309670260 in words is "one trillion, eight hundred sixteen billion, three hundred nine million, six hundred seventy thousand, two hundred sixty".