8651406163 has 4 divisors (see below), whose sum is σ = 8685069480. Its totient is φ = 8617742848.

The previous prime is 8651406157. The next prime is 8651406217. The reversal of 8651406163 is 3616041568.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8651406163 - 2²⁵ = 8617851731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8651406143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16831273 + ... + 16831786.

It is an arithmetic number, because the mean of its divisors is an integer number (2171267370).

Almost surely, 2^8651406163 is an apocalyptic number.

8651406163 is a deficient number, since it is larger than the sum of its proper divisors (33663317).

8651406163 is a wasteful number, since it uses less digits than its factorization.

8651406163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33663316.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 8651406163 is about 93012.9354606121. The cubic root of 8651406163 is about 2052.8737141491.

The spelling of 8651406163 in words is "eight billion, six hundred fifty-one million, four hundred six thousand, one hundred sixty-three".