106172332509 has 16 divisors (see below), whose sum is σ = 141952837824. Its totient is φ = 70586784000.

The previous prime is 106172332471. The next prime is 106172332517. The reversal of 106172332509 is 905233271601.

It is a happy number.

It is not a de Polignac number, because 106172332509 - 2⁷ = 106172332381 is a prime.

It is a super-2 number, since 2×106172332509² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106172332549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5925454 + ... + 5943344.

It is an arithmetic number, because the mean of its divisors is an integer number (8872052364).

Almost surely, 2^106172332509 is an apocalyptic number.

It is an amenable number.

106172332509 is a deficient number, since it is larger than the sum of its proper divisors (35780505315).

106172332509 is a wasteful number, since it uses less digits than its factorization.

106172332509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23228.

The product of its (nonzero) digits is 68040, while the sum is 39.

The spelling of 106172332509 in words is "one hundred six billion, one hundred seventy-two million, three hundred thirty-two thousand, five hundred nine".