1683870053720 has 32 divisors (see below), whose sum is σ = 3802190591520. Its totient is φ = 671151048960.

The previous prime is 1683870053689. The next prime is 1683870053759. The reversal of 1683870053720 is 273500783861.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74894012 + ... + 74916491.

It is an arithmetic number, because the mean of its divisors is an integer number (118818455985).

Almost surely, 2^{1683870053720} is an apocalyptic number.

1683870053720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1683870053720 is an abundant number, since it is smaller than the sum of its proper divisors (2118320537800).

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

1683870053720 is a wasteful number, since it uses less digits than its factorization.

1683870053720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149810795 (or 149810791 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 50.

The spelling of 1683870053720 in words is "one trillion, six hundred eighty-three billion, eight hundred seventy million, fifty-three thousand, seven hundred twenty".