1066005695061 has 24 divisors (see below), whose sum is σ = 1546295989056. Its totient is φ = 707672142720.

The previous prime is 1066005695057. The next prime is 1066005695099. The reversal of 1066005695061 is 1605965006601.

It is not a de Polignac number, because 1066005695061 - 2² = 1066005695057 is a prime.

It is a super-2 number, since 2×1066005695061² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1066005694998 and 1066005695016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066005615061) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1776616 + ... + 2299646.

It is an arithmetic number, because the mean of its divisors is an integer number (64428999544).

Almost surely, 2^{1066005695061} is an apocalyptic number.

It is an amenable number.

1066005695061 is a deficient number, since it is larger than the sum of its proper divisors (480290293995).

1066005695061 is a wasteful number, since it uses less digits than its factorization.

1066005695061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523993 (or 523990 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 45.

The spelling of 1066005695061 in words is "one trillion, sixty-six billion, five million, six hundred ninety-five thousand, sixty-one".