2678661170 has 8 divisors (see below), whose sum is σ = 4821590124. Its totient is φ = 1071464464.

The previous prime is 2678661149. The next prime is 2678661179. The reversal of 2678661170 is 711668762.

It can be written as a sum of positive squares in 2 ways, for example, as 2161599049 + 517062121 = 46493^2 + 22739^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2678661179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133933049 + ... + 133933068.

Almost surely, 2^2678661170 is an apocalyptic number.

2678661170 is a deficient number, since it is larger than the sum of its proper divisors (2142928954).

2678661170 is a wasteful number, since it uses less digits than its factorization.

2678661170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267866124.

The product of its (nonzero) digits is 169344, while the sum is 44.

The square root of 2678661170 is about 51755.7839279824. The cubic root of 2678661170 is about 1388.7985702287.

The spelling of 2678661170 in words is "two billion, six hundred seventy-eight million, six hundred sixty-one thousand, one hundred seventy".