2740166 has 36 divisors (see below), whose sum is σ = 4965156. Its totient is φ = 1132560.

The previous prime is 2740141. The next prime is 2740169. The reversal of 2740166 is 6610472.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2740169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 40865 + ... + 40931.

It is an arithmetic number, because the mean of its divisors is an integer number (137921).

2^2740166 is an apocalyptic number.

2740166 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2740166 is a deficient number, since it is larger than the sum of its proper divisors (2224990).

2740166 is a wasteful number, since it uses less digits than its factorization.

2740166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117 (or 93 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 2740166 is about 1655.3446770990. The cubic root of 2740166 is about 139.9347655264.

The spelling of 2740166 in words is "two million, seven hundred forty thousand, one hundred sixty-six".