964161218 has 4 divisors (see below), whose sum is σ = 1446241830. Its totient is φ = 482080608.

The previous prime is 964161203. The next prime is 964161221. The reversal of 964161218 is 812161469.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 812161469 = 7 ⋅116023067.

It can be written as a sum of positive squares in only one way, i.e., 951537409 + 12623809 = 30847^2 + 3553^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 241040303 + ... + 241040306.

Almost surely, 2^964161218 is an apocalyptic number.

964161218 is a deficient number, since it is larger than the sum of its proper divisors (482080612).

964161218 is a wasteful number, since it uses less digits than its factorization.

964161218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482080611.

The product of its digits is 20736, while the sum is 38.

The square root of 964161218 is about 31050.9455250561. The cubic root of 964161218 is about 987.9081149831.

The spelling of 964161218 in words is "nine hundred sixty-four million, one hundred sixty-one thousand, two hundred eighteen".