106161566605515 has 12 divisors (see below), whose sum is σ = 184013382116304. Its totient is φ = 56619502189584.

The previous prime is 106161566605513. The next prime is 106161566605529. The reversal of 106161566605515 is 515506665161601.

It is not a de Polignac number, because 106161566605515 - 2¹ = 106161566605513 is a prime.

It is a super-2 number, since 2×106161566605515² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106161566605513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1179572962239 + ... + 1179572962328.

It is an arithmetic number, because the mean of its divisors is an integer number (15334448509692).

Almost surely, 2^{106161566605515} is an apocalyptic number.

106161566605515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

106161566605515 is a deficient number, since it is larger than the sum of its proper divisors (77851815510789).

106161566605515 is a wasteful number, since it uses less digits than its factorization.

106161566605515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2359145924578 (or 2359145924575 counting only the distinct ones).

The product of its (nonzero) digits is 4860000, while the sum is 54.

The spelling of 106161566605515 in words is "one hundred six trillion, one hundred sixty-one billion, five hundred sixty-six million, six hundred five thousand, five hundred fifteen".