2506168 has 16 divisors (see below), whose sum is σ = 5370480. Its totient is φ = 1074048.

The previous prime is 2506129. The next prime is 2506183. The reversal of 2506168 is 8616052.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

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, 22321 + ... + 22432.

It is an arithmetic number, because the mean of its divisors is an integer number (335655).

2^2506168 is an apocalyptic number.

2506168 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2506168 is an abundant number, since it is smaller than the sum of its proper divisors (2864312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2506168 is a wasteful number, since it uses less digits than its factorization.

2506168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44766 (or 44762 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 2506168 is about 1583.0881213628. The cubic root of 2506168 is about 135.8324060141.

The spelling of 2506168 in words is "two million, five hundred six thousand, one hundred sixty-eight".