106663406 has 8 divisors (see below), whose sum is σ = 169406640. Its totient is φ = 50194528.

The previous prime is 106663399. The next prime is 106663429. The reversal of 106663406 is 604366601.

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

It is a super-2 number, since 2×106663406² = 22754164359041672, which contains 22 as substring.

It is a congruent number.

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, 1568546 + ... + 1568613.

It is an arithmetic number, because the mean of its divisors is an integer number (21175830).

Almost surely, 2^106663406 is an apocalyptic number.

106663406 is a deficient number, since it is larger than the sum of its proper divisors (62743234).

106663406 is a wasteful number, since it uses less digits than its factorization.

106663406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3137178.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 106663406 is about 10327.7977323338. The cubic root of 106663406 is about 474.2476081147.

The spelling of 106663406 in words is "one hundred six million, six hundred sixty-three thousand, four hundred six".