1460665680 has 80 divisors (see below), whose sum is σ = 4534263360. Its totient is φ = 388977664.

The previous prime is 1460665643. The next prime is 1460665699. The reversal of 1460665680 is 865660641.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-3 number, since 3×1460665680³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190399 + ... + 197921.

It is an arithmetic number, because the mean of its divisors is an integer number (56678292).

Almost surely, 2^1460665680 is an apocalyptic number.

1460665680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1460665680 is an abundant number, since it is smaller than the sum of its proper divisors (3073597680).

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

1460665680 is a wasteful number, since it uses less digits than its factorization.

1460665680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8348 (or 8342 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 1460665680 is about 38218.6561773174. The cubic root of 1460665680 is about 1134.6195830939.

The spelling of 1460665680 in words is "one billion, four hundred sixty million, six hundred sixty-five thousand, six hundred eighty".