26070661 has 4 divisors (see below), whose sum is σ = 27204192. Its totient is φ = 24937132.

The previous prime is 26070643. The next prime is 26070719. The reversal of 26070661 is 16607062.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26070661 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 (26070601) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 566731 + ... + 566776.

It is an arithmetic number, because the mean of its divisors is an integer number (6801048).

Almost surely, 2^26070661 is an apocalyptic number.

It is an amenable number.

26070661 is a deficient number, since it is larger than the sum of its proper divisors (1133531).

26070661 is a wasteful number, since it uses less digits than its factorization.

26070661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133530.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 26070661 is about 5105.9436933832. The cubic root of 26070661 is about 296.5177396403.

The spelling of 26070661 in words is "twenty-six million, seventy thousand, six hundred sixty-one".