1908981853152 has 48 divisors (see below), whose sum is σ = 5466629855232. Its totient is φ = 578479349120.

The previous prime is 1908981853151. The next prime is 1908981853157. The reversal of 1908981853152 is 2513581898091.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1908981853151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 903872928 + ... + 903875039.

It is an arithmetic number, because the mean of its divisors is an integer number (113888121984).

Almost surely, 2^{1908981853152} is an apocalyptic number.

1908981853152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1908981853152 is an abundant number, since it is smaller than the sum of its proper divisors (3557648002080).

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

1908981853152 is a wasteful number, since it uses less digits than its factorization.

1908981853152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1807747991 (or 1807747983 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 60.

The spelling of 1908981853152 in words is "one trillion, nine hundred eight billion, nine hundred eighty-one million, eight hundred fifty-three thousand, one hundred fifty-two".