1659152 has 30 divisors (see below), whose sum is σ = 3537534. Its totient is φ = 753280.

The previous prime is 1659131. The next prime is 1659169. The reversal of 1659152 is 2519561.

It can be written as a sum of positive squares in only one way, i.e., 1628176 + 30976 = 1276^2 + 176^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1508 + ... + 2364.

2^1659152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1659152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1768767).

1659152 is an abundant number, since it is smaller than the sum of its proper divisors (1878382).

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

1659152 is a wasteful number, since it uses less digits than its factorization.

1659152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887 (or 870 counting only the distinct ones).

The product of its digits is 2700, while the sum is 29.

The square root of 1659152 is about 1288.0807428108. The cubic root of 1659152 is about 118.3846492151.

The spelling of 1659152 in words is "one million, six hundred fifty-nine thousand, one hundred fifty-two".