964161217 has 4 divisors (see below), whose sum is σ = 964224000. Its totient is φ = 964098436.

The previous prime is 964161203. The next prime is 964161221. The reversal of 964161217 is 712161469.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 964161217 - 2⁷ = 964161089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (964161227) 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, 8784 + ... + 44782.

It is an arithmetic number, because the mean of its divisors is an integer number (241056000).

Almost surely, 2^964161217 is an apocalyptic number.

It is an amenable number.

964161217 is a deficient number, since it is larger than the sum of its proper divisors (62783).

964161217 is a wasteful number, since it uses less digits than its factorization.

964161217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62782.

The product of its digits is 18144, while the sum is 37.

The square root of 964161217 is about 31050.9455089535. The cubic root of 964161217 is about 987.9081146415.

The spelling of 964161217 in words is "nine hundred sixty-four million, one hundred sixty-one thousand, two hundred seventeen".