104561656 has 8 divisors (see below), whose sum is σ = 196053120. Its totient is φ = 52280824.

The previous prime is 104561651. The next prime is 104561659. The reversal of 104561656 is 656165401.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104561651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6535096 + ... + 6535111.

It is an arithmetic number, because the mean of its divisors is an integer number (24506640).

Almost surely, 2^104561656 is an apocalyptic number.

It is an amenable number.

104561656 is a deficient number, since it is larger than the sum of its proper divisors (91491464).

104561656 is a wasteful number, since it uses less digits than its factorization.

104561656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13070213 (or 13070209 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 104561656 is about 10225.5393989755. The cubic root of 104561656 is about 471.1119830258. Note that the first 3 decimals are identical.

The spelling of 104561656 in words is "one hundred four million, five hundred sixty-one thousand, six hundred fifty-six".