106156665 has 24 divisors (see below), whose sum is σ = 184586688. Its totient is φ = 56437920.

The previous prime is 106156657. The next prime is 106156693. The reversal of 106156665 is 566651601.

It is not a de Polignac number, because 106156665 - 2³ = 106156657 is a prime.

It is a super-2 number, since 2×106156665² = 22538475047844450, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11332 + ... + 18458.

It is an arithmetic number, because the mean of its divisors is an integer number (7691112).

Almost surely, 2^106156665 is an apocalyptic number.

106156665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

106156665 is a deficient number, since it is larger than the sum of its proper divisors (78430023).

106156665 is a wasteful number, since it uses less digits than its factorization.

106156665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7469 (or 7466 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 106156665 is about 10303.2356568216. The cubic root of 106156665 is about 473.4953904638.

The spelling of 106156665 in words is "one hundred six million, one hundred fifty-six thousand, six hundred sixty-five".