1902188369172 has 96 divisors (see below), whose sum is σ = 5495406077952. Its totient is φ = 498671957376.

The previous prime is 1902188369153. The next prime is 1902188369203. The reversal of 1902188369172 is 2719638812091.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5032998 + ... + 5397725.

It is an arithmetic number, because the mean of its divisors is an integer number (57243813312).

Almost surely, 2^{1902188369172} is an apocalyptic number.

1902188369172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1902188369172 is an abundant number, since it is smaller than the sum of its proper divisors (3593217708780).

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

1902188369172 is a wasteful number, since it uses less digits than its factorization.

1902188369172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10430917 (or 10430915 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 57.

The spelling of 1902188369172 in words is "one trillion, nine hundred two billion, one hundred eighty-eight million, three hundred sixty-nine thousand, one hundred seventy-two".