106620644 has 12 divisors (see below), whose sum is σ = 200939004. Its totient is φ = 49209504.

The previous prime is 106620601. The next prime is 106620667. The reversal of 106620644 is 446026601.

It can be written as a sum of positive squares in 2 ways, for example, as 4368100 + 102252544 = 2090^2 + 10112^2 .

It is a super-2 number, since 2×106620644² = 22735923453949472, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1025147 + ... + 1025250.

It is an arithmetic number, because the mean of its divisors is an integer number (16744917).

Almost surely, 2^106620644 is an apocalyptic number.

It is an amenable number.

106620644 is a deficient number, since it is larger than the sum of its proper divisors (94318360).

106620644 is a wasteful number, since it uses less digits than its factorization.

106620644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2050414 (or 2050412 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 106620644 is about 10325.7272867339. The cubic root of 106620644 is about 474.1842234055.

The spelling of 106620644 in words is "one hundred six million, six hundred twenty thousand, six hundred forty-four".