4161322664 has 8 divisors (see below), whose sum is σ = 7802480010. Its totient is φ = 2080661328.

The previous prime is 4161322651. The next prime is 4161322667. The reversal of 4161322664 is 4662231614.

It can be written as a sum of positive squares in only one way, i.e., 2094892900 + 2066429764 = 45770^2 + 45458^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (4161322667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260082659 + ... + 260082674.

Almost surely, 2^4161322664 is an apocalyptic number.

It is an amenable number.

4161322664 is a deficient number, since it is larger than the sum of its proper divisors (3641157346).

4161322664 is a wasteful number, since it uses less digits than its factorization.

4161322664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520165339 (or 520165335 counting only the distinct ones).

The product of its digits is 41472, while the sum is 35.

The square root of 4161322664 is about 64508.3146888833. The cubic root of 4161322664 is about 1608.4607363103.

The spelling of 4161322664 in words is "four billion, one hundred sixty-one million, three hundred twenty-two thousand, six hundred sixty-four".