66160536 has 64 divisors (see below), whose sum is σ = 181530720. Its totient is φ = 19968000.

The previous prime is 66160487. The next prime is 66160573. The reversal of 66160536 is 63506166.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 66160497 and 66160506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14536 + ... + 18536.

Almost surely, 2^66160536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66160536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90765360).

66160536 is an abundant number, since it is smaller than the sum of its proper divisors (115370184).

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

66160536 is a wasteful number, since it uses less digits than its factorization.

66160536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4076 (or 4072 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 66160536 is about 8133.9127116044. The cubic root of 66160536 is about 404.4513956012.

The spelling of 66160536 in words is "sixty-six million, one hundred sixty thousand, five hundred thirty-six".