1066199472 has 120 divisors (see below), whose sum is σ = 3402532224. Its totient is φ = 308754432.

The previous prime is 1066199447. The next prime is 1066199473. The reversal of 1066199472 is 2749916601.

It is a super-2 number, since 2×1066199472² = 2273562628186157568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1066199473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15073 + ... + 48575.

Almost surely, 2^1066199472 is an apocalyptic number.

1066199472 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 1066199472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1701266112).

1066199472 is an abundant number, since it is smaller than the sum of its proper divisors (2336332752).

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

1066199472 is a wasteful number, since it uses less digits than its factorization.

1066199472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33547 (or 33538 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 1066199472 is about 32652.7100253562. The cubic root of 1066199472 is about 1021.5967148738.

The spelling of 1066199472 in words is "one billion, sixty-six million, one hundred ninety-nine thousand, four hundred seventy-two".