1835201866872 has 64 divisors (see below), whose sum is σ = 5140368892800. Its totient is φ = 541091456640.

The previous prime is 1835201866867. The next prime is 1835201866933. The reversal of 1835201866872 is 2786681025381.

It is a super-2 number, since 2×1835201866872² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93929722 + ... + 93949257.

It is an arithmetic number, because the mean of its divisors is an integer number (80318263950).

Almost surely, 2^{1835201866872} is an apocalyptic number.

1835201866872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1835201866872 is an abundant number, since it is smaller than the sum of its proper divisors (3305167025928).

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

1835201866872 is a wasteful number, since it uses less digits than its factorization.

1835201866872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187879036 (or 187879032 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 57.

The spelling of 1835201866872 in words is "one trillion, eight hundred thirty-five billion, two hundred one million, eight hundred sixty-six thousand, eight hundred seventy-two".