1066687446 has 16 divisors (see below), whose sum is σ = 2327318208. Its totient is φ = 323238600.

The previous prime is 1066687421. The next prime is 1066687451. The reversal of 1066687446 is 6447866601.

It is a super-2 number, since 2×1066687446² = 2275644214908005832, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1066687395 and 1066687404.

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 7 ways as a sum of consecutive naturals, for example, 8080900 + ... + 8081031.

It is an arithmetic number, because the mean of its divisors is an integer number (145457388).

Almost surely, 2^1066687446 is an apocalyptic number.

1066687446 is an abundant number, since it is smaller than the sum of its proper divisors (1260630762).

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

1066687446 is a wasteful number, since it uses less digits than its factorization.

1066687446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16161947.

The product of its (nonzero) digits is 1161216, while the sum is 48.

The square root of 1066687446 is about 32660.1813528339. The cubic root of 1066687446 is about 1021.7525445646.

The spelling of 1066687446 in words is "one billion, sixty-six million, six hundred eighty-seven thousand, four hundred forty-six".