106656904 has 8 divisors (see below), whose sum is σ = 199981710. Its totient is φ = 53328448.

The previous prime is 106656889. The next prime is 106656917. The reversal of 106656904 is 409656601.

It can be written as a sum of positive squares in only one way, i.e., 101808100 + 4848804 = 10090^2 + 2202^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×106656904² = 22751390341730432, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6666049 + ... + 6666064.

Almost surely, 2^106656904 is an apocalyptic number.

It is an amenable number.

106656904 is a deficient number, since it is larger than the sum of its proper divisors (93324806).

106656904 is a wasteful number, since it uses less digits than its factorization.

106656904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13332119 (or 13332115 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 106656904 is about 10327.4829460038. The cubic root of 106656904 is about 474.2379715057.

It can be divided in two parts, 1066 and 56904, that added together give a triangular number (57970 = T₃₄₀).

The spelling of 106656904 in words is "one hundred six million, six hundred fifty-six thousand, nine hundred four".