1466681472 has 128 divisors (see below), whose sum is σ = 4402728000. Its totient is φ = 480540672.

The previous prime is 1466681431. The next prime is 1466681501. The reversal of 1466681472 is 2741866641.

It is a tau number, because it is divible by the number of its divisors (128).

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, 200308 + ... + 207500.

Almost surely, 2^1466681472 is an apocalyptic number.

1466681472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1466681472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2201364000).

1466681472 is an abundant number, since it is smaller than the sum of its proper divisors (2936046528).

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

1466681472 is an equidigital number, since it uses as much as digits as its factorization.

1466681472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7275 (or 7257 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 1466681472 is about 38297.2776055949. The cubic root of 1466681472 is about 1136.1751036038.

The spelling of 1466681472 in words is "one billion, four hundred sixty-six million, six hundred eighty-one thousand, four hundred seventy-two".