966640413 has 4 divisors (see below), whose sum is σ = 1288853888. Its totient is φ = 644426940.

The previous prime is 966640361. The next prime is 966640421. The reversal of 966640413 is 314046669.

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 not a de Polignac number, because 966640413 - 2¹⁸ = 966378269 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 (966641413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161106733 + ... + 161106738.

It is an arithmetic number, because the mean of its divisors is an integer number (322213472).

Almost surely, 2^966640413 is an apocalyptic number.

It is an amenable number.

966640413 is a deficient number, since it is larger than the sum of its proper divisors (322213475).

966640413 is a wasteful number, since it uses less digits than its factorization.

966640413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322213474.

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 966640413 is about 31090.8413041526. The cubic root of 966640413 is about 988.7541424397.

The spelling of 966640413 in words is "nine hundred sixty-six million, six hundred forty thousand, four hundred thirteen".