8166452436 has 36 divisors (see below), whose sum is σ = 20647891264. Its totient is φ = 2721502800.

The previous prime is 8166452387. The next prime is 8166452507. The reversal of 8166452436 is 6342546618.

8166452436 is a `hidden beast` number, since 8 + 166 + 4 + 52 + 436 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 8166452391 and 8166452400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 140571 + ... + 189981.

Almost surely, 2^8166452436 is an apocalyptic number.

It is an amenable number.

8166452436 is an abundant number, since it is smaller than the sum of its proper divisors (12481438828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8166452436 is a wasteful number, since it uses less digits than its factorization.

8166452436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54012 (or 54007 counting only the distinct ones).

The product of its digits is 829440, while the sum is 45.

The square root of 8166452436 is about 90368.4261011555. The cubic root of 8166452436 is about 2013.7759303429.

The spelling of 8166452436 in words is "eight billion, one hundred sixty-six million, four hundred fifty-two thousand, four hundred thirty-six".