34206145661 has 4 divisors (see below), whose sum is σ = 34210984800. Its totient is φ = 34201306524.

The previous prime is 34206145657. The next prime is 34206145667. The reversal of 34206145661 is 16654160243.

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 34206145661 - 2² = 34206145657 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 (34206145667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2408951 + ... + 2423108.

It is an arithmetic number, because the mean of its divisors is an integer number (8552746200).

Almost surely, 2^34206145661 is an apocalyptic number.

It is an amenable number.

34206145661 is a deficient number, since it is larger than the sum of its proper divisors (4839139).

34206145661 is an equidigital number, since it uses as much as digits as its factorization.

34206145661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4839138.

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 34206145661 in words is "thirty-four billion, two hundred six million, one hundred forty-five thousand, six hundred sixty-one".