1611166165006 has 8 divisors (see below), whose sum is σ = 2416755169584. Its totient is φ = 805581108480.

The previous prime is 1611166165001. The next prime is 1611166165051. The reversal of 1611166165006 is 6005616611161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1611166165006² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1611166165006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1611166165001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 453966 + ... + 1851598.

It is an arithmetic number, because the mean of its divisors is an integer number (302094396198).

Almost surely, 2^{1611166165006} is an apocalyptic number.

1611166165006 is a deficient number, since it is larger than the sum of its proper divisors (805589004578).

1611166165006 is a wasteful number, since it uses less digits than its factorization.

1611166165006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1974026.

The product of its (nonzero) digits is 38880, while the sum is 40.

The spelling of 1611166165006 in words is "one trillion, six hundred eleven billion, one hundred sixty-six million, one hundred sixty-five thousand, six".