1066555160115 has 64 divisors (see below), whose sum is σ = 1773074644992. Its totient is φ = 546878102400.

The previous prime is 1066555160023. The next prime is 1066555160119. The reversal of 1066555160115 is 5110615556601.

1066555160115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-1066555160115 is a prime.

It is a super-2 number, since 2×1066555160115² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1066555160119) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 220770750 + ... + 220775580.

It is an arithmetic number, because the mean of its divisors is an integer number (27704291328).

Almost surely, 2^{1066555160115} is an apocalyptic number.

1066555160115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1066555160115 is a deficient number, since it is larger than the sum of its proper divisors (706519484877).

1066555160115 is a wasteful number, since it uses less digits than its factorization.

1066555160115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7880.

The product of its (nonzero) digits is 135000, while the sum is 42.

It can be divided in two parts, 1066 and 555160115, that added together give a triangular number (555161181 = T₃₃₃₂₁).

The spelling of 1066555160115 in words is "one trillion, sixty-six billion, five hundred fifty-five million, one hundred sixty thousand, one hundred fifteen".