1066631079 has 16 divisors (see below), whose sum is σ = 1462410848. Its totient is φ = 691016832.

The previous prime is 1066631057. The next prime is 1066631081. The reversal of 1066631079 is 9701366601.

It is not a de Polignac number, because 1066631079 - 2²⁴ = 1049853863 is a prime.

It is a super-2 number, since 2×1066631079² = 2275403717377408482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066631099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91869 + ... + 102825.

It is an arithmetic number, because the mean of its divisors is an integer number (91400678).

Almost surely, 2^1066631079 is an apocalyptic number.

1066631079 is a deficient number, since it is larger than the sum of its proper divisors (395779769).

1066631079 is a wasteful number, since it uses less digits than its factorization.

1066631079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11874.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 1066631079 is about 32659.3184099117. The cubic root of 1066631079 is about 1021.7345467464.

The spelling of 1066631079 in words is "one billion, sixty-six million, six hundred thirty-one thousand, seventy-nine".