106011656665 has 8 divisors (see below), whose sum is σ = 127220882760. Its totient is φ = 84804728832.

The previous prime is 106011656573. The next prime is 106011656693. The reversal of 106011656665 is 566656110601.

It can be written as a sum of positive squares in 4 ways, for example, as 48812716096 + 57198940569 = 220936^2 + 239163^2 .

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 106011656665 - 2²⁹ = 105474785753 is a prime.

It is a super-2 number, since 2×106011656665² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 471400 + ... + 658969.

It is an arithmetic number, because the mean of its divisors is an integer number (15902610345).

Almost surely, 2^106011656665 is an apocalyptic number.

It is an amenable number.

106011656665 is a deficient number, since it is larger than the sum of its proper divisors (21209226095).

106011656665 is a wasteful number, since it uses less digits than its factorization.

106011656665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149131.

The product of its (nonzero) digits is 194400, while the sum is 43.

The spelling of 106011656665 in words is "one hundred six billion, eleven million, six hundred fifty-six thousand, six hundred sixty-five".