2174661142 has 16 divisors (see below), whose sum is σ = 3332782080. Its totient is φ = 1063753128.

The previous prime is 2174661121. The next prime is 2174661187. The reversal of 2174661142 is 2411664712.

It is a junction number, because it is equal to n+sod(n) for n = 2174661098 and 2174661107.

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, 433573 + ... + 438559.

It is an arithmetic number, because the mean of its divisors is an integer number (208298880).

Almost surely, 2^2174661142 is an apocalyptic number.

2174661142 is a deficient number, since it is larger than the sum of its proper divisors (1158120938).

2174661142 is a wasteful number, since it uses less digits than its factorization.

2174661142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9675.

The product of its digits is 16128, while the sum is 34.

The square root of 2174661142 is about 46633.2621848397. The cubic root of 2174661142 is about 1295.5788951400.

The spelling of 2174661142 in words is "two billion, one hundred seventy-four million, six hundred sixty-one thousand, one hundred forty-two".