66160552 has 16 divisors (see below), whose sum is σ = 127077300. Its totient is φ = 32273280.

The previous prime is 66160487. The next prime is 66160573. The reversal of 66160552 is 25506166.

It can be written as a sum of positive squares in 2 ways, for example, as 57244356 + 8916196 = 7566^2 + 2986^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100527 + ... + 101182.

Almost surely, 2^66160552 is an apocalyptic number.

It is an amenable number.

66160552 is a deficient number, since it is larger than the sum of its proper divisors (60916748).

66160552 is a wasteful number, since it uses less digits than its factorization.

66160552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201756 (or 201752 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 66160552 is about 8133.9136951409. The cubic root of 66160552 is about 404.4514282048.

The spelling of 66160552 in words is "sixty-six million, one hundred sixty thousand, five hundred fifty-two".