1066050540 has 36 divisors (see below), whose sum is σ = 3233687184. Its totient is φ = 284280096.

The previous prime is 1066050511. The next prime is 1066050547. The reversal of 1066050540 is 450506601.

It is a happy number.

1066050540 is a `hidden beast` number, since 1 + 0 + 6 + 605 + 0 + 54 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1066050540² = 2272927507668583200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1066050547) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2961072 + ... + 2961431.

It is an arithmetic number, because the mean of its divisors is an integer number (89824644).

Almost surely, 2^1066050540 is an apocalyptic number.

1066050540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1066050540 is an abundant number, since it is smaller than the sum of its proper divisors (2167636644).

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

1066050540 is a wasteful number, since it uses less digits than its factorization.

1066050540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5922518 (or 5922513 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 1066050540 is about 32650.4293999329. The cubic root of 1066050540 is about 1021.5491454365.

The spelling of 1066050540 in words is "one billion, sixty-six million, fifty thousand, five hundred forty".