4153163661 has 12 divisors (see below), whose sum is σ = 6003161788. Its totient is φ = 2766861504.

The previous prime is 4153163647. The next prime is 4153163681. The reversal of 4153163661 is 1663613514.

4153163661 is a `hidden beast` number, since 4 + 1 + 531 + 63 + 6 + 61 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3412779561 + 740384100 = 58419^2 + 27210^2 .

It is not a de Polignac number, because 4153163661 - 2⁷ = 4153163533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4153163611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 145720 + ... + 171873.

Almost surely, 2^4153163661 is an apocalyptic number.

It is an amenable number.

4153163661 is a deficient number, since it is larger than the sum of its proper divisors (1849998127).

4153163661 is a wasteful number, since it uses less digits than its factorization.

4153163661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319052 (or 319049 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 4153163661 is about 64445.0437271944. The cubic root of 4153163661 is about 1607.4088253900.

The spelling of 4153163661 in words is "four billion, one hundred fifty-three million, one hundred sixty-three thousand, six hundred sixty-one".