166261036 has 12 divisors (see below), whose sum is σ = 295299928. Its totient is φ = 81889632.

The previous prime is 166261019. The next prime is 166261057. The reversal of 166261036 is 630162661.

166261036 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 166260989 and 166261007.

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, 309921 + ... + 310456.

Almost surely, 2^166261036 is an apocalyptic number.

It is an amenable number.

166261036 is a deficient number, since it is larger than the sum of its proper divisors (129038892).

166261036 is a wasteful number, since it uses less digits than its factorization.

166261036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620448 (or 620446 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 166261036 is about 12894.2249088497. The cubic root of 166261036 is about 549.8743911504.

The spelling of 166261036 in words is "one hundred sixty-six million, two hundred sixty-one thousand, thirty-six".