1804167967896 has 160 divisors (see below), whose sum is σ = 5796561492480. Its totient is φ = 513574084800.

The previous prime is 1804167967859. The next prime is 1804167967909. The reversal of 1804167967896 is 6987697614081.

1804167967896 is a `hidden beast` number, since 1 + 8 + 0 + 416 + 79 + 67 + 89 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 495411 + ... + 1963101.

It is an arithmetic number, because the mean of its divisors is an integer number (36228509328).

Almost surely, 2^{1804167967896} 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 1804167967896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2898280746240).

1804167967896 is an abundant number, since it is smaller than the sum of its proper divisors (3992393524584).

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

1804167967896 is a wasteful number, since it uses less digits than its factorization.

1804167967896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1467987 (or 1467974 counting only the distinct ones).

The product of its (nonzero) digits is 219469824, while the sum is 72.

The spelling of 1804167967896 in words is "one trillion, eight hundred four billion, one hundred sixty-seven million, nine hundred sixty-seven thousand, eight hundred ninety-six".