1660065464 has 8 divisors (see below), whose sum is σ = 3112622760. Its totient is φ = 830032728.

The previous prime is 1660065403. The next prime is 1660065551. The reversal of 1660065464 is 4645600661.

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

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, 103754084 + ... + 103754099.

It is an arithmetic number, because the mean of its divisors is an integer number (389077845).

Almost surely, 2^1660065464 is an apocalyptic number.

It is an amenable number.

1660065464 is a deficient number, since it is larger than the sum of its proper divisors (1452557296).

1660065464 is a wasteful number, since it uses less digits than its factorization.

1660065464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207508189 (or 207508185 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 1660065464 is about 40743.9009423496. The cubic root of 1660065464 is about 1184.0637121029.

The spelling of 1660065464 in words is "one billion, six hundred sixty million, sixty-five thousand, four hundred sixty-four".