1466638572 has 96 divisors (see below), whose sum is σ = 4012001280. Its totient is φ = 408303360.

The previous prime is 1466638559. The next prime is 1466638573. The reversal of 1466638572 is 2758366641.

1466638572 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1466638573) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1061322 + ... + 1062702.

It is an arithmetic number, because the mean of its divisors is an integer number (41791680).

Almost surely, 2^1466638572 is an apocalyptic number.

1466638572 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 1466638572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2006000640).

1466638572 is an abundant number, since it is smaller than the sum of its proper divisors (2545362708).

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

1466638572 is a wasteful number, since it uses less digits than its factorization.

1466638572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1711 (or 1709 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 48.

The square root of 1466638572 is about 38296.7175094681. The cubic root of 1466638572 is about 1136.1640259004.

The spelling of 1466638572 in words is "one billion, four hundred sixty-six million, six hundred thirty-eight thousand, five hundred seventy-two".