335607661 has 4 divisors (see below), whose sum is σ = 335668000. Its totient is φ = 335547324.

The previous prime is 335607653. The next prime is 335607689. The reversal of 335607661 is 166706533.

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 335607661 - 2³ = 335607653 is a prime.

It is a super-2 number, since 2×335607661² = 225265004243781842, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 335607661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (335607611) 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, 20871 + ... + 33268.

It is an arithmetic number, because the mean of its divisors is an integer number (83917000).

Almost surely, 2^335607661 is an apocalyptic number.

It is an amenable number.

335607661 is a deficient number, since it is larger than the sum of its proper divisors (60339).

335607661 is an equidigital number, since it uses as much as digits as its factorization.

335607661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60338.

The product of its (nonzero) digits is 68040, while the sum is 37.

The square root of 335607661 is about 18319.5977302996. The cubic root of 335607661 is about 694.9346321558.

The spelling of 335607661 in words is "three hundred thirty-five million, six hundred seven thousand, six hundred sixty-one".