4166041664 has 14 divisors (see below), whose sum is σ = 8266989054. Its totient is φ = 2083020800.

The previous prime is 4166041643. The next prime is 4166041687. The reversal of 4166041664 is 4661406614.

It can be written as a sum of positive squares in only one way, i.e., 4162830400 + 3211264 = 64520^2 + 1792^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32547137 + ... + 32547264.

Almost surely, 2^4166041664 is an apocalyptic number.

It is an amenable number.

4166041664 is a deficient number, since it is larger than the sum of its proper divisors (4100947390).

4166041664 is an equidigital number, since it uses as much as digits as its factorization.

4166041664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65094413 (or 65094403 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 4166041664 is about 64544.8810053904. The cubic root of 4166041664 is about 1609.0685125275.

The spelling of 4166041664 in words is "four billion, one hundred sixty-six million, forty-one thousand, six hundred sixty-four".