166502146 has 8 divisors (see below), whose sum is σ = 256503420. Its totient is φ = 81001008.

The previous prime is 166502117. The next prime is 166502159. The reversal of 166502146 is 641205661.

166502146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 127577025 + 38925121 = 11295^2 + 6239^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 1124941 + ... + 1125088.

Almost surely, 2^166502146 is an apocalyptic number.

166502146 is a deficient number, since it is larger than the sum of its proper divisors (90001274).

166502146 is a wasteful number, since it uses less digits than its factorization.

166502146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2250068.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 166502146 is about 12903.5710561069. The cubic root of 166502146 is about 550.1400701100.

The spelling of 166502146 in words is "one hundred sixty-six million, five hundred two thousand, one hundred forty-six".