4721165378 has 16 divisors (see below), whose sum is σ = 7169459040. Its totient is φ = 2331406176.

The previous prime is 4721165359. The next prime is 4721165381. The reversal of 4721165378 is 8735611274.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146825 + ... + 176067.

It is an arithmetic number, because the mean of its divisors is an integer number (448091190).

Almost surely, 2^4721165378 is an apocalyptic number.

4721165378 is a deficient number, since it is larger than the sum of its proper divisors (2448293662).

4721165378 is a wasteful number, since it uses less digits than its factorization.

4721165378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30241.

The product of its digits is 282240, while the sum is 44.

The square root of 4721165378 is about 68710.7369921179. The cubic root of 4721165378 is about 1677.5793485491.

The spelling of 4721165378 in words is "four billion, seven hundred twenty-one million, one hundred sixty-five thousand, three hundred seventy-eight".