654164 has 24 divisors (see below), whose sum is σ = 1333248. Its totient is φ = 275040.

The previous prime is 654163. The next prime is 654167. The reversal of 654164 is 461456.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1517 + ... + 1899.

It is an arithmetic number, because the mean of its divisors is an integer number (55552).

2⁶⁵⁴¹⁶⁴ is an apocalyptic number.

It is an amenable number.

654164 is an abundant number, since it is smaller than the sum of its proper divisors (679084).

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

654164 is a wasteful number, since it uses less digits than its factorization.

654164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455 (or 453 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 654164 is about 808.8040553805. The cubic root of 654164 is about 86.8084923062.

It can be divided in two parts, 654 and 164, that added together give a palindrome (818).

The spelling of 654164 in words is "six hundred fifty-four thousand, one hundred sixty-four".