106655578 has 8 divisors (see below), whose sum is σ = 160034868. Its totient is φ = 53310624.

The previous prime is 106655551. The next prime is 106655587. The reversal of 106655578 is 875556601.

It can be written as a sum of positive squares in 2 ways, for example, as 106646929 + 8649 = 10327^2 + 93^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×106655578² = 22750824637028168, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1600 + ... + 14692.

Almost surely, 2^106655578 is an apocalyptic number.

106655578 is a deficient number, since it is larger than the sum of its proper divisors (53379290).

106655578 is a wasteful number, since it uses less digits than its factorization.

106655578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17168.

The product of its (nonzero) digits is 252000, while the sum is 43.

The square root of 106655578 is about 10327.4187481674. The cubic root of 106655578 is about 474.2360061941.

It can be divided in two parts, 1066 and 55578, that added together give a square (56644 = 238²).

The spelling of 106655578 in words is "one hundred six million, six hundred fifty-five thousand, five hundred seventy-eight".