1611166165007 has 16 divisors (see below), whose sum is σ = 1939521024000. Its totient is φ = 1336451187960.

The previous prime is 1611166165001. The next prime is 1611166165051. The reversal of 1611166165007 is 7005616611161.

It is not a de Polignac number, because 1611166165007 - 2³⁴ = 1593986295823 is a prime.

It is a super-2 number, since 2×1611166165007² (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 (1611166165001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75751907 + ... + 75773172.

It is an arithmetic number, because the mean of its divisors is an integer number (121220064000).

Almost surely, 2^{1611166165007} is an apocalyptic number.

1611166165007 is a deficient number, since it is larger than the sum of its proper divisors (328354858993).

1611166165007 is an equidigital number, since it uses as much as digits as its factorization.

1611166165007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151525131 (or 151525117 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 41.

The spelling of 1611166165007 in words is "one trillion, six hundred eleven billion, one hundred sixty-six million, one hundred sixty-five thousand, seven".