26346661 has 12 divisors (see below), whose sum is σ = 30221856. Its totient is φ = 22907720.

The previous prime is 26346653. The next prime is 26346713. The reversal of 26346661 is 16664362.

It is not a de Polignac number, because 26346661 - 2³ = 26346653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26343661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1951 + ... + 7516.

It is an arithmetic number, because the mean of its divisors is an integer number (2518488).

Almost surely, 2^26346661 is an apocalyptic number.

It is an amenable number.

26346661 is a deficient number, since it is larger than the sum of its proper divisors (3875195).

26346661 is a wasteful number, since it uses less digits than its factorization.

26346661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9512 (or 9501 counting only the distinct ones).

The product of its digits is 31104, while the sum is 34.

The square root of 26346661 is about 5132.8998626507. The cubic root of 26346661 is about 297.5604415482.

The spelling of 26346661 in words is "twenty-six million, three hundred forty-six thousand, six hundred sixty-one".