106620660 has 36 divisors (see below), whose sum is σ = 323416548. Its totient is φ = 28432128.

The previous prime is 106620601. The next prime is 106620667. The reversal of 106620660 is 66026601.

It can be written as a sum of positive squares in 2 ways, for example, as 43322724 + 63297936 = 6582^2 + 7956^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×106620660² = 22735930277671200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106620667) 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, 295989 + ... + 296348.

It is an arithmetic number, because the mean of its divisors is an integer number (8983793).

Almost surely, 2^106620660 is an apocalyptic number.

106620660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

106620660 is an abundant number, since it is smaller than the sum of its proper divisors (216795888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

106620660 is a wasteful number, since it uses less digits than its factorization.

106620660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592352 (or 592347 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 106620660 is about 10325.7280614976. The cubic root of 106620660 is about 474.1842471249.

The spelling of 106620660 in words is "one hundred six million, six hundred twenty thousand, six hundred sixty".