166407948 has 36 divisors (see below), whose sum is σ = 480734800. Its totient is φ = 47545056.

The previous prime is 166407937. The next prime is 166407949. The reversal of 166407948 is 849704661.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (166407949) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 329923 + ... + 330426.

Almost surely, 2^166407948 is an apocalyptic number.

166407948 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

166407948 is an abundant number, since it is smaller than the sum of its proper divisors (314326852).

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

166407948 is a wasteful number, since it uses less digits than its factorization.

166407948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660366 (or 660361 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 166407948 is about 12899.9204648711. The cubic root of 166407948 is about 550.0363039397.

The spelling of 166407948 in words is "one hundred sixty-six million, four hundred seven thousand, nine hundred forty-eight".