166955748 has 12 divisors (see below), whose sum is σ = 389563440. Its totient is φ = 55651912.

The previous prime is 166955741. The next prime is 166955749. The reversal of 166955748 is 847559661.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 166955748.

It is not an unprimeable number, because it can be changed into a prime (166955741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6956478 + ... + 6956501.

It is an arithmetic number, because the mean of its divisors is an integer number (32463620).

Almost surely, 2^166955748 is an apocalyptic number.

It is an amenable number.

166955748 is an abundant number, since it is smaller than the sum of its proper divisors (222607692).

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

166955748 is a wasteful number, since it uses less digits than its factorization.

166955748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13912986 (or 13912984 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 51.

The square root of 166955748 is about 12921.1357085978. The cubic root of 166955748 is about 550.6391995464.

The spelling of 166955748 in words is "one hundred sixty-six million, nine hundred fifty-five thousand, seven hundred forty-eight".