1660088 has 8 divisors (see below), whose sum is σ = 3112680. Its totient is φ = 830040.

The previous prime is 1660073. The next prime is 1660097. The reversal of 1660088 is 8800661.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1660088.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103748 + ... + 103763.

It is an arithmetic number, because the mean of its divisors is an integer number (389085).

2^1660088 is an apocalyptic number.

It is an amenable number.

1660088 is a deficient number, since it is larger than the sum of its proper divisors (1452592).

1660088 is a wasteful number, since it uses less digits than its factorization.

1660088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207517 (or 207513 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 1660088 is about 1288.4440228431. Note that the first 3 decimals coincide. The cubic root of 1660088 is about 118.4069070112.

The spelling of 1660088 in words is "one million, six hundred sixty thousand, eighty-eight".