1066001616165 has 32 divisors (see below), whose sum is σ = 1780065236736. Its totient is φ = 543721812480.

The previous prime is 1066001616131. The next prime is 1066001616181. The reversal of 1066001616165 is 5616161006601.

1066001616165 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1066001616165 - 2⁷ = 1066001616037 is a prime.

It is a super-2 number, since 2×1066001616165² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1766247 + ... + 2291643.

It is an arithmetic number, because the mean of its divisors is an integer number (55627038648).

Almost surely, 2^{1066001616165} is an apocalyptic number.

1066001616165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1066001616165 is a deficient number, since it is larger than the sum of its proper divisors (714063620571).

1066001616165 is a wasteful number, since it uses less digits than its factorization.

1066001616165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531309.

The product of its (nonzero) digits is 38880, while the sum is 39.

The spelling of 1066001616165 in words is "one trillion, sixty-six billion, one million, six hundred sixteen thousand, one hundred sixty-five".