104609966 has 4 divisors (see below), whose sum is σ = 156914952. Its totient is φ = 52304982.

The previous prime is 104609951. The next prime is 104609971. The reversal of 104609966 is 669906401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 669906401 = 67 ⋅9998603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26152490 + ... + 26152493.

It is an arithmetic number, because the mean of its divisors is an integer number (39228738).

Almost surely, 2^104609966 is an apocalyptic number.

104609966 is a deficient number, since it is larger than the sum of its proper divisors (52304986).

104609966 is an equidigital number, since it uses as much as digits as its factorization.

104609966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52304985.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 104609966 is about 10227.9013487616. The cubic root of 104609966 is about 471.1845268771.

The spelling of 104609966 in words is "one hundred four million, six hundred nine thousand, nine hundred sixty-six".