166366634 has 16 divisors (see below), whose sum is σ = 285441408. Its totient is φ = 71239632.

The previous prime is 166366631. The next prime is 166366663. The reversal of 166366634 is 436663661.

It is a junction number, because it is equal to n+sod(n) for n = 166366591 and 166366600.

It is not an unprimeable number, because it can be changed into a prime (166366631) 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, 14792 + ... + 23484.

It is an arithmetic number, because the mean of its divisors is an integer number (17840088).

Almost surely, 2^166366634 is an apocalyptic number.

166366634 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

166366634 is a deficient number, since it is larger than the sum of its proper divisors (119074774).

166366634 is a wasteful number, since it uses less digits than its factorization.

166366634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10069.

The product of its digits is 279936, while the sum is 41.

The square root of 166366634 is about 12898.3190377661. The cubic root of 166366634 is about 549.9907811127.

The spelling of 166366634 in words is "one hundred sixty-six million, three hundred sixty-six thousand, six hundred thirty-four".