3506426661 has 8 divisors (see below), whose sum is σ = 4741084224. Its totient is φ = 2304693440.

The previous prime is 3506426617. The next prime is 3506426683. The reversal of 3506426661 is 1666246053.

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

It is a cyclic number.

It is not a de Polignac number, because 3506426661 - 2⁶ = 3506426597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3506446661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8230836 + ... + 8231261.

It is an arithmetic number, because the mean of its divisors is an integer number (592635528).

Almost surely, 2^3506426661 is an apocalyptic number.

It is an amenable number.

3506426661 is a deficient number, since it is larger than the sum of its proper divisors (1234657563).

3506426661 is a wasteful number, since it uses less digits than its factorization.

3506426661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16462171.

The product of its (nonzero) digits is 155520, while the sum is 39.

The square root of 3506426661 is about 59215.0881194987. The cubic root of 3506426661 is about 1519.2232095379.

The spelling of 3506426661 in words is "three billion, five hundred six million, four hundred twenty-six thousand, six hundred sixty-one".