1066006375615 has 4 divisors (see below), whose sum is σ = 1279207650744. Its totient is φ = 852805100488.

The previous prime is 1066006375591. The next prime is 1066006375639. The reversal of 1066006375615 is 5165736006601.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1066006375591) and next prime (1066006375639).

It is a cyclic number.

It is not a de Polignac number, because 1066006375615 - 2⁵ = 1066006375583 is a prime.

It is a super-2 number, since 2×1066006375615² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106600637557 + ... + 106600637566.

It is an arithmetic number, because the mean of its divisors is an integer number (319801912686).

Almost surely, 2^{1066006375615} is an apocalyptic number.

1066006375615 is a deficient number, since it is larger than the sum of its proper divisors (213201275129).

1066006375615 is an equidigital number, since it uses as much as digits as its factorization.

1066006375615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213201275128.

The product of its (nonzero) digits is 680400, while the sum is 46.

The spelling of 1066006375615 in words is "one trillion, sixty-six billion, six million, three hundred seventy-five thousand, six hundred fifteen".