1656552 has 32 divisors (see below), whose sum is σ = 4322880. Its totient is φ = 528000.

The previous prime is 1656541. The next prime is 1656559. The reversal of 1656552 is 2556561.

It is not an unprimeable number, because it can be changed into a prime (1656559) 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, 949 + ... + 2052.

It is an arithmetic number, because the mean of its divisors is an integer number (135090).

2^1656552 is an apocalyptic number.

1656552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1656552 is an abundant number, since it is smaller than the sum of its proper divisors (2666328).

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

1656552 is a wasteful number, since it uses less digits than its factorization.

1656552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3033 (or 3029 counting only the distinct ones).

The product of its digits is 9000, while the sum is 30.

The square root of 1656552 is about 1287.0710936075. The cubic root of 1656552 is about 118.3227780486.

Subtracting 1656552 from its reverse (2556561), we obtain a palindrome (900009).

The spelling of 1656552 in words is "one million, six hundred fifty-six thousand, five hundred fifty-two".