1835690161808 has 120 divisors (see below), whose sum is σ = 3966807417600. Its totient is φ = 821613348864.

The previous prime is 1835690161783. The next prime is 1835690161897. The reversal of 1835690161808 is 8081610965381.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8882273 + ... + 9086591.

It is an arithmetic number, because the mean of its divisors is an integer number (33056728480).

Almost surely, 2^{1835690161808} 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 1835690161808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1983403708800).

1835690161808 is an abundant number, since it is smaller than the sum of its proper divisors (2131117255792).

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

1835690161808 is a wasteful number, since it uses less digits than its factorization.

1835690161808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204457 (or 204434 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 56.

The spelling of 1835690161808 in words is "one trillion, eight hundred thirty-five billion, six hundred ninety million, one hundred sixty-one thousand, eight hundred eight".