106571665 has 32 divisors (see below), whose sum is σ = 141004800. Its totient is φ = 77011200.

The previous prime is 106571651. The next prime is 106571677. The reversal of 106571665 is 566175601.

It is not a de Polignac number, because 106571665 - 2¹³ = 106563473 is a prime.

It is a super-2 number, since 2×106571665² = 22715039561744450, which contains 22 as substring.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 278064 + ... + 278446.

It is an arithmetic number, because the mean of its divisors is an integer number (4406400).

Almost surely, 2^106571665 is an apocalyptic number.

It is an amenable number.

106571665 is a deficient number, since it is larger than the sum of its proper divisors (34433135).

106571665 is a wasteful number, since it uses less digits than its factorization.

106571665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 106571665 is about 10323.3553169500. The cubic root of 106571665 is about 474.1116026150. Note that the first 3 decimals are identical.

The spelling of 106571665 in words is "one hundred six million, five hundred seventy-one thousand, six hundred sixty-five".