8207168146 has 4 divisors (see below), whose sum is σ = 12310752222. Its totient is φ = 4103584072.

The previous prime is 8207168141. The next prime is 8207168173. The reversal of 8207168146 is 6418617028.

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

It can be written as a sum of positive squares in only one way, i.e., 5477628121 + 2729540025 = 74011^2 + 52245^2 .

It is not an unprimeable number, because it can be changed into a prime (8207168141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2051792035 + ... + 2051792038.

Almost surely, 2^8207168146 is an apocalyptic number.

8207168146 is a deficient number, since it is larger than the sum of its proper divisors (4103584076).

8207168146 is a wasteful number, since it uses less digits than its factorization.

8207168146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4103584075.

The product of its (nonzero) digits is 129024, while the sum is 43.

The square root of 8207168146 is about 90593.4222005108. The cubic root of 8207168146 is about 2017.1170967311.

The spelling of 8207168146 in words is "eight billion, two hundred seven million, one hundred sixty-eight thousand, one hundred forty-six".