2660156 has 6 divisors (see below), whose sum is σ = 4655280. Its totient is φ = 1330076.

The previous prime is 2660137. The next prime is 2660173. The reversal of 2660156 is 6510662.

2660156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 2²¹ + 6 + 6⁷ + 0 + 1 + 5⁵ + 6⁷ .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 332516 + ... + 332523.

It is an arithmetic number, because the mean of its divisors is an integer number (775880).

2^2660156 is an apocalyptic number.

It is an amenable number.

2660156 is a deficient number, since it is larger than the sum of its proper divisors (1995124).

2660156 is a wasteful number, since it uses less digits than its factorization.

2660156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665043 (or 665041 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 2660156 is about 1630.9984671973. The cubic root of 2660156 is about 138.5593067959.

The spelling of 2660156 in words is "two million, six hundred sixty thousand, one hundred fifty-six".