3492216661 has 4 divisors (see below), whose sum is σ = 3644052192. Its totient is φ = 3340381132.

The previous prime is 3492216647. The next prime is 3492216671. The reversal of 3492216661 is 1666122943.

3492216661 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 3492216661 - 2⁹ = 3492216149 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3492216671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75917731 + ... + 75917776.

It is an arithmetic number, because the mean of its divisors is an integer number (911013048).

Almost surely, 2^3492216661 is an apocalyptic number.

It is an amenable number.

3492216661 is a deficient number, since it is larger than the sum of its proper divisors (151835531).

3492216661 is a wasteful number, since it uses less digits than its factorization.

3492216661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151835530.

The product of its digits is 93312, while the sum is 40.

The square root of 3492216661 is about 59094.9799983044. The cubic root of 3492216661 is about 1517.1681838985.

The spelling of 3492216661 in words is "three billion, four hundred ninety-two million, two hundred sixteen thousand, six hundred sixty-one".