4278106161 has 36 divisors (see below), whose sum is σ = 7192999632. Its totient is φ = 2443062384.

The previous prime is 4278106153. The next prime is 4278106289. The reversal of 4278106161 is 1616018724.

It is a happy number.

4278106161 is a `hidden beast` number, since 4 + 27 + 8 + 10 + 616 + 1 = 666.

It is not a de Polignac number, because 4278106161 - 2³ = 4278106153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4278106121) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1350966 + ... + 1354128.

Almost surely, 2^4278106161 is an apocalyptic number.

It is an amenable number.

4278106161 is a deficient number, since it is larger than the sum of its proper divisors (2914893471).

4278106161 is a wasteful number, since it uses less digits than its factorization.

4278106161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6250 (or 6240 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 4278106161 is about 65407.2332467901. The cubic root of 4278106161 is about 1623.3687660225.

The spelling of 4278106161 in words is "four billion, two hundred seventy-eight million, one hundred six thousand, one hundred sixty-one".