166905046 has 32 divisors (see below), whose sum is σ = 312979968. Its totient is φ = 64851840.

The previous prime is 166905017. The next prime is 166905061. The reversal of 166905046 is 640509661.

166905046 is digitally balanced in base 3, 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 = 166904996 and 166905014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65431 + ... + 67933.

It is an arithmetic number, because the mean of its divisors is an integer number (9780624).

Almost surely, 2^166905046 is an apocalyptic number.

166905046 is a deficient number, since it is larger than the sum of its proper divisors (146074922).

166905046 is a wasteful number, since it uses less digits than its factorization.

166905046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2956.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 166905046 is about 12919.1735803804. The cubic root of 166905046 is about 550.5834535665.

It can be divided in two parts, 16690 and 5046, that added together give a triangular number (21736 = T₂₀₈).

The spelling of 166905046 in words is "one hundred sixty-six million, nine hundred five thousand, forty-six".