1683670020372 has 36 divisors (see below), whose sum is σ = 4440984693600. Its totient is φ = 536822325072.

The previous prime is 1683670020367. The next prime is 1683670020467. The reversal of 1683670020372 is 2730200763861.

1683670020372 is a `hidden beast` number, since 16 + 8 + 367 + 0 + 0 + 203 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1016708122 + ... + 1016709777.

Almost surely, 2^{1683670020372} is an apocalyptic number.

1683670020372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1683670020372 is an abundant number, since it is smaller than the sum of its proper divisors (2757314673228).

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

1683670020372 is a wasteful number, since it uses less digits than its factorization.

1683670020372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2033417932 (or 2033417927 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The spelling of 1683670020372 in words is "one trillion, six hundred eighty-three billion, six hundred seventy million, twenty thousand, three hundred seventy-two".