3336400661 has 4 divisors (see below), whose sum is σ = 3639709824. Its totient is φ = 3033091500.

The previous prime is 3336400657. The next prime is 3336400757. The reversal of 3336400661 is 1660046333.

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 3336400661 - 2² = 3336400657 is a prime.

It is a super-2 number, since 2×3336400661² = 22263138741442473842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3336400621) 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 3 ways as a sum of consecutive naturals, for example, 151654565 + ... + 151654586.

It is an arithmetic number, because the mean of its divisors is an integer number (909927456).

Almost surely, 2^3336400661 is an apocalyptic number.

It is an amenable number.

3336400661 is a deficient number, since it is larger than the sum of its proper divisors (303309163).

3336400661 is a wasteful number, since it uses less digits than its factorization.

3336400661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303309162.

The product of its (nonzero) digits is 23328, while the sum is 32.

The square root of 3336400661 is about 57761.5846475839. The cubic root of 3336400661 is about 1494.2596396054.

Adding to 3336400661 its reverse (1660046333), we get a palindrome (4996446994).

The spelling of 3336400661 in words is "three billion, three hundred thirty-six million, four hundred thousand, six hundred sixty-one".