104626661 has 2 divisors, whose sum is σ = 104626662. Its totient is φ = 104626660.

The previous prime is 104626637. The next prime is 104626667. The reversal of 104626661 is 166626401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102921025 + 1705636 = 10145^2 + 1306^2 .

It is a cyclic number.

It is not a de Polignac number, because 104626661 - 2¹⁰ = 104625637 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104626667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52313330 + 52313331.

It is an arithmetic number, because the mean of its divisors is an integer number (52313331).

Almost surely, 2^104626661 is an apocalyptic number.

It is an amenable number.

104626661 is a deficient number, since it is larger than the sum of its proper divisors (1).

104626661 is an equidigital number, since it uses as much as digits as its factorization.

104626661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 104626661 is about 10228.7174660365. The cubic root of 104626661 is about 471.2095914337.

The spelling of 104626661 in words is "one hundred four million, six hundred twenty-six thousand, six hundred sixty-one".