1683002635872 has 48 divisors (see below), whose sum is σ = 4417979276592. Its totient is φ = 560988515840.

The previous prime is 1683002635871. The next prime is 1683002635903. The reversal of 1683002635872 is 2785362003861.

It is a happy number.

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 (1683002635871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4874722 + ... + 5208542.

It is an arithmetic number, because the mean of its divisors is an integer number (92041234929).

Almost surely, 2^{1683002635872} is an apocalyptic number.

1683002635872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1683002635872 is an abundant number, since it is smaller than the sum of its proper divisors (2734976640720).

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

1683002635872 is a wasteful number, since it uses less digits than its factorization.

1683002635872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386351 (or 386343 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 51.

The spelling of 1683002635872 in words is "one trillion, six hundred eighty-three billion, two million, six hundred thirty-five thousand, eight hundred seventy-two".