106611861 has 8 divisors (see below), whose sum is σ = 143234784. Its totient is φ = 70531760.

The previous prime is 106611851. The next prime is 106611971. The reversal of 106611861 is 168116601.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 106611861 - 2⁶ = 106611797 is a prime.

It is a super-2 number, since 2×106611861² = 22732177811766642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106611851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135246 + ... + 136031.

It is an arithmetic number, because the mean of its divisors is an integer number (17904348).

Almost surely, 2^106611861 is an apocalyptic number.

It is an amenable number.

106611861 is a deficient number, since it is larger than the sum of its proper divisors (36622923).

106611861 is a wasteful number, since it uses less digits than its factorization.

106611861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271411.

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 106611861 is about 10325.3019810561. The cubic root of 106611861 is about 474.1712025550.

The spelling of 106611861 in words is "one hundred six million, six hundred eleven thousand, eight hundred sixty-one".