106605631 has 8 divisors (see below), whose sum is σ = 118491984. Its totient is φ = 95085120.

The previous prime is 106605607. The next prime is 106605641. The reversal of 106605631 is 136506601.

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 106605631 - 2⁷ = 106605503 is a prime.

It is a super-2 number, since 2×106605631² = 22729521121816322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 106605631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106605641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90846 + ... + 92011.

It is an arithmetic number, because the mean of its divisors is an integer number (14811498).

Almost surely, 2^106605631 is an apocalyptic number.

106605631 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

106605631 is a deficient number, since it is larger than the sum of its proper divisors (11886353).

106605631 is a wasteful number, since it uses less digits than its factorization.

106605631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182921.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 106605631 is about 10325.0002905569. Note that the first 3 decimals coincide. The cubic root of 106605631 is about 474.1619661088.

The spelling of 106605631 in words is "one hundred six million, six hundred five thousand, six hundred thirty-one".