964221603 has 8 divisors (see below), whose sum is σ = 1286271168. Its totient is φ = 642493224.

The previous prime is 964221593. The next prime is 964221611. The reversal of 964221603 is 306122469.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 964221603 - 2⁹ = 964221091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (964226603) 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 7 ways as a sum of consecutive naturals, for example, 73201 + ... + 85362.

It is an arithmetic number, because the mean of its divisors is an integer number (160783896).

Almost surely, 2^964221603 is an apocalyptic number.

964221603 is a deficient number, since it is larger than the sum of its proper divisors (322049565).

964221603 is a wasteful number, since it uses less digits than its factorization.

964221603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160593.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 964221603 is about 31051.9178634750. The cubic root of 964221603 is about 987.9287386385.

The spelling of 964221603 in words is "nine hundred sixty-four million, two hundred twenty-one thousand, six hundred three".