106500691 has 12 divisors (see below), whose sum is σ = 119278656. Its totient is φ = 94986320.

The previous prime is 106500679. The next prime is 106500697. The reversal of 106500691 is 196005601.

It is not a de Polignac number, because 106500691 - 2⁹ = 106500179 is a prime.

It is a super-2 number, since 2×106500691² = 22684794366954962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106500697) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1891 + ... + 14716.

It is an arithmetic number, because the mean of its divisors is an integer number (9939888).

Almost surely, 2^106500691 is an apocalyptic number.

106500691 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

106500691 is a deficient number, since it is larger than the sum of its proper divisors (12777965).

106500691 is a wasteful number, since it uses less digits than its factorization.

106500691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16682 (or 16671 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 106500691 is about 10319.9171992802. The cubic root of 106500691 is about 474.0063305130.

The spelling of 106500691 in words is "one hundred six million, five hundred thousand, six hundred ninety-one".