7520166 has 24 divisors (see below), whose sum is σ = 16820544. Its totient is φ = 2425680.

The previous prime is 7520113. The next prime is 7520173. The reversal of 7520166 is 6610257.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6181 + ... + 7296.

It is an arithmetic number, because the mean of its divisors is an integer number (700856).

Almost surely, 2^7520166 is an apocalyptic number.

7520166 is an abundant number, since it is smaller than the sum of its proper divisors (9300378).

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

7520166 is a wasteful number, since it uses less digits than its factorization.

7520166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13516 (or 13513 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 7520166 is about 2742.2921069791. The cubic root of 7520166 is about 195.9186633220.

Subtracting from 7520166 its reverse (6610257), we obtain a palindrome (909909).

The spelling of 7520166 in words is "seven million, five hundred twenty thousand, one hundred sixty-six".