1660442264 has 32 divisors (see below), whose sum is σ = 3384173520. Its totient is φ = 759190656.

The previous prime is 1660442261. The next prime is 1660442279. The reversal of 1660442264 is 4622440661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1660442261) 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, 63479 + ... + 85734.

Almost surely, 2^1660442264 is an apocalyptic number.

It is an amenable number.

1660442264 is an abundant number, since it is smaller than the sum of its proper divisors (1723731256).

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

1660442264 is a wasteful number, since it uses less digits than its factorization.

1660442264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149339 (or 149335 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 35.

The square root of 1660442264 is about 40748.5246849503. The cubic root of 1660442264 is about 1184.1532911918.

The spelling of 1660442264 in words is "one billion, six hundred sixty million, four hundred forty-two thousand, two hundred sixty-four".