1066107280 has 80 divisors (see below), whose sum is σ = 2930526720. Its totient is φ = 352912896.

The previous prime is 1066107253. The next prime is 1066107313. The reversal of 1066107280 is 827016601.

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

It is a super-2 number, since 2×1066107280² = 2273169464937996800, which contains 22 as substring.

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, 16584 + ... + 49063.

It is an arithmetic number, because the mean of its divisors is an integer number (36631584).

Almost surely, 2^1066107280 is an apocalyptic number.

1066107280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1066107280 is an abundant number, since it is smaller than the sum of its proper divisors (1864419440).

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

1066107280 is a wasteful number, since it uses less digits than its factorization.

1066107280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65696 (or 65690 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 1066107280 is about 32651.2982896546. The cubic root of 1066107280 is about 1021.5672689269.

The spelling of 1066107280 in words is "one billion, sixty-six million, one hundred seven thousand, two hundred eighty".