1660468 has 12 divisors (see below), whose sum is σ = 2914912. Its totient is φ = 827640.

The previous prime is 1660457. The next prime is 1660469. The reversal of 1660468 is 8640661.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1660469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1921 + ... + 2647.

2^1660468 is an apocalyptic number.

It is an amenable number.

1660468 is a deficient number, since it is larger than the sum of its proper divisors (1254444).

1660468 is a wasteful number, since it uses less digits than its factorization.

1660468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302 (or 1300 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 1660468 is about 1288.5914790965. The cubic root of 1660468 is about 118.4159409082.

The spelling of 1660468 in words is "one million, six hundred sixty thousand, four hundred sixty-eight".