1066116453567 has 128 divisors (see below), whose sum is σ = 1670912409600. Its totient is φ = 597875644800.

The previous prime is 1066116453557. The next prime is 1066116453583. The reversal of 1066116453567 is 7653546116601.

It is not a de Polignac number, because 1066116453567 - 2¹⁵ = 1066116420799 is a prime.

It is a super-2 number, since 2×1066116453567² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066116453527) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2812971984 + ... + 2812972362.

It is an arithmetic number, because the mean of its divisors is an integer number (13054003200).

Almost surely, 2^{1066116453567} is an apocalyptic number.

1066116453567 is a deficient number, since it is larger than the sum of its proper divisors (604795956033).

1066116453567 is a wasteful number, since it uses less digits than its factorization.

1066116453567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969.

The product of its (nonzero) digits is 2721600, while the sum is 51.

The spelling of 1066116453567 in words is "one trillion, sixty-six billion, one hundred sixteen million, four hundred fifty-three thousand, five hundred sixty-seven".