166946970 has 32 divisors (see below), whose sum is σ = 424243008. Its totient is φ = 41900288.

The previous prime is 166946963. The next prime is 166946971. The reversal of 166946970 is 79649661.

It is not an unprimeable number, because it can be changed into a prime (166946971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163164 + ... + 164183.

It is an arithmetic number, because the mean of its divisors is an integer number (13257594).

Almost surely, 2^166946970 is an apocalyptic number.

166946970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166946970 is an abundant number, since it is smaller than the sum of its proper divisors (257296038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166946970 is a wasteful number, since it uses less digits than its factorization.

166946970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327374.

The product of its (nonzero) digits is 489888, while the sum is 48.

The square root of 166946970 is about 12920.7960281091. The cubic root of 166946970 is about 550.6295490938.

The spelling of 166946970 in words is "one hundred sixty-six million, nine hundred forty-six thousand, nine hundred seventy".