1065641079 has 16 divisors (see below), whose sum is σ = 1445752800. Its totient is φ = 698052096.

The previous prime is 1065641069. The next prime is 1065641081. The reversal of 1065641079 is 9701465601.

It is not a de Polignac number, because 1065641079 - 2⁷ = 1065640951 is a prime.

It is a super-2 number, since 2×1065641079² = 2271181818504568482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1065641009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49867 + ... + 67955.

It is an arithmetic number, because the mean of its divisors is an integer number (90359550).

Almost surely, 2^1065641079 is an apocalyptic number.

1065641079 is a deficient number, since it is larger than the sum of its proper divisors (380111721).

1065641079 is a wasteful number, since it uses less digits than its factorization.

1065641079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18434.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 1065641079 is about 32644.1584207650. The cubic root of 1065641079 is about 1021.4183392244.

The spelling of 1065641079 in words is "one billion, sixty-five million, six hundred forty-one thousand, seventy-nine".