106885186489 has 9 divisors (see below), whose sum is σ = 112813359717. Its totient is φ = 101253765564.

The previous prime is 106885186481. The next prime is 106885186511. The reversal of 106885186489 is 984681588601.

The square root of 106885186489 is 326933.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 106885186489 - 2³ = 106885186481 is a prime.

It is a super-2 number, since 2×106885186489² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 106885186489.

It is not an unprimeable number, because it can be changed into a prime (106885186481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6203124 + ... + 6220330.

Almost surely, 2^106885186489 is an apocalyptic number.

106885186489 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

106885186489 is the 326933-rd square number.

106885186489 is the 163467-th centered octagonal number.

It is an amenable number.

106885186489 is a deficient number, since it is larger than the sum of its proper divisors (5928173228).

106885186489 is an frugal number, since it uses more digits than its factorization.

106885186489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34452 (or 17226 counting only the distinct ones).

The product of its (nonzero) digits is 26542080, while the sum is 64.

Multiplying 106885186489 by its sum of digits (64), we get a square (6840651935296 = 2615464²).

The spelling of 106885186489 in words is "one hundred six billion, eight hundred eighty-five million, one hundred eighty-six thousand, four hundred eighty-nine".