1066840670 has 32 divisors (see below), whose sum is σ = 2209199616. Its totient is φ = 363348000.

The previous prime is 1066840637. The next prime is 1066840693. The reversal of 1066840670 is 760486601.

It is a super-2 number, since 2×1066840670² = 2276298030332097800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39896 + ... + 61035.

It is an arithmetic number, because the mean of its divisors is an integer number (69037488).

Almost surely, 2^1066840670 is an apocalyptic number.

1066840670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1066840670 is an abundant number, since it is smaller than the sum of its proper divisors (1142358946).

1066840670 is a wasteful number, since it uses less digits than its factorization.

1066840670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101096.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 1066840670 is about 32662.5269996061. The cubic root of 1066840670 is about 1021.8014653355.

The spelling of 1066840670 in words is "one billion, sixty-six million, eight hundred forty thousand, six hundred seventy".