1066644062 has 16 divisors (see below), whose sum is σ = 1752218352. Its totient is φ = 482949120.

The previous prime is 1066644053. The next prime is 1066644077. The reversal of 1066644062 is 2604466601.

It is a super-2 number, since 2×1066644062² = 2275459109999719688, 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 7 ways as a sum of consecutive naturals, for example, 88673 + ... + 99980.

It is an arithmetic number, because the mean of its divisors is an integer number (109513647).

Almost surely, 2^1066644062 is an apocalyptic number.

1066644062 is a deficient number, since it is larger than the sum of its proper divisors (685574290).

1066644062 is a wasteful number, since it uses less digits than its factorization.

1066644062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188923.

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 1066644062 is about 32659.5171734060. The cubic root of 1066644062 is about 1021.7386922366.

The spelling of 1066644062 in words is "one billion, sixty-six million, six hundred forty-four thousand, sixty-two".