34025665661 has 8 divisors (see below), whose sum is σ = 36760099320. Its totient is φ = 31307956992.

The previous prime is 34025665649. The next prime is 34025665673. The reversal of 34025665661 is 16656652043.

It is an interprime number because it is at equal distance from previous prime (34025665649) and next prime (34025665673).

It can be written as a sum of positive squares in 4 ways, for example, as 61387225 + 33964278436 = 7835^2 + 184294^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-34025665661 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 (34025665621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4177016 + ... + 4185153.

It is an arithmetic number, because the mean of its divisors is an integer number (4595012415).

Almost surely, 2^34025665661 is an apocalyptic number.

It is an amenable number.

34025665661 is a deficient number, since it is larger than the sum of its proper divisors (2734433659).

34025665661 is a wasteful number, since it uses less digits than its factorization.

34025665661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8362495.

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 34025665661 in words is "thirty-four billion, twenty-five million, six hundred sixty-five thousand, six hundred sixty-one".