2661170 has 8 divisors (see below), whose sum is σ = 4790124. Its totient is φ = 1064464.

The previous prime is 2661161. The next prime is 2661181. The reversal of 2661170 is 711662.

It can be written as a sum of positive squares in 2 ways, for example, as 2563201 + 97969 = 1601^2 + 313^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133049 + ... + 133068.

2^2661170 is an apocalyptic number.

2661170 is a deficient number, since it is larger than the sum of its proper divisors (2128954).

2661170 is a wasteful number, since it uses less digits than its factorization.

2661170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266124.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 2661170 is about 1631.3092901102. The cubic root of 2661170 is about 138.5769099351.

The spelling of 2661170 in words is "two million, six hundred sixty-one thousand, one hundred seventy".