2174706678660 has 48 divisors (see below), whose sum is σ = 6253751103936. Its totient is φ = 564248218752.

The previous prime is 2174706678653. The next prime is 2174706678719. The reversal of 2174706678660 is 668766074712.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 2174706678594 and 2174706678603.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 489796582 + ... + 489801021.

It is an arithmetic number, because the mean of its divisors is an integer number (130286481332).

Almost surely, 2^{2174706678660} is an apocalyptic number.

2174706678660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2174706678660 is an abundant number, since it is smaller than the sum of its proper divisors (4079044425276).

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

2174706678660 is a wasteful number, since it uses less digits than its factorization.

2174706678660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979597652 (or 979597650 counting only the distinct ones).

The product of its (nonzero) digits is 28449792, while the sum is 60.

The spelling of 2174706678660 in words is "two trillion, one hundred seventy-four billion, seven hundred six million, six hundred seventy-eight thousand, six hundred sixty".