66159346 has 16 divisors (see below), whose sum is σ = 108475200. Its totient is φ = 30012880.

The previous prime is 66159259. The next prime is 66159347. The reversal of 66159346 is 64395166.

It is a junction number, because it is equal to n+sod(n) for n = 66159299 and 66159308.

It is not an unprimeable number, because it can be changed into a prime (66159347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9555 + ... + 14953.

It is an arithmetic number, because the mean of its divisors is an integer number (6779700).

Almost surely, 2^66159346 is an apocalyptic number.

66159346 is a deficient number, since it is larger than the sum of its proper divisors (42315854).

66159346 is a wasteful number, since it uses less digits than its factorization.

66159346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5969.

The product of its digits is 116640, while the sum is 40.

The square root of 66159346 is about 8133.8395607487. The cubic root of 66159346 is about 404.4489706912.

The spelling of 66159346 in words is "sixty-six million, one hundred fifty-nine thousand, three hundred forty-six".