1873788172660 has 48 divisors (see below), whose sum is σ = 4174672803840. Its totient is φ = 704475999360.

The previous prime is 1873788172631. The next prime is 1873788172661. The reversal of 1873788172660 is 662718873781.

It is a super-3 number, since 3×1873788172660³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 1873788172592 and 1873788172601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1873788172661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19365211 + ... + 19461730.

It is an arithmetic number, because the mean of its divisors is an integer number (86972350080).

Almost surely, 2^{1873788172660} is an apocalyptic number.

1873788172660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1873788172660 is an abundant number, since it is smaller than the sum of its proper divisors (2300884631180).

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

1873788172660 is a wasteful number, since it uses less digits than its factorization.

1873788172660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38827096 (or 38827094 counting only the distinct ones).

The product of its (nonzero) digits is 37933056, while the sum is 64.

The spelling of 1873788172660 in words is "one trillion, eight hundred seventy-three billion, seven hundred eighty-eight million, one hundred seventy-two thousand, six hundred sixty".