34661661 has 4 divisors (see below), whose sum is σ = 46215552. Its totient is φ = 23107772.

The previous prime is 34661659. The next prime is 34661717. The reversal of 34661661 is 16616643.

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 not a de Polignac number, because 34661661 - 2¹ = 34661659 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34661651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5776941 + ... + 5776946.

It is an arithmetic number, because the mean of its divisors is an integer number (11553888).

Almost surely, 2^34661661 is an apocalyptic number.

It is an amenable number.

34661661 is a deficient number, since it is larger than the sum of its proper divisors (11553891).

34661661 is a wasteful number, since it uses less digits than its factorization.

34661661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11553890.

The product of its digits is 15552, while the sum is 33.

The square root of 34661661 is about 5887.4154771003. The cubic root of 34661661 is about 326.0491883825.

It can be divided in two parts, 3 and 4661661, that added together give a palindrome (4661664).

The spelling of 34661661 in words is "thirty-four million, six hundred sixty-one thousand, six hundred sixty-one".