166748448 has 24 divisors (see below), whose sum is σ = 437714928. Its totient is φ = 55582784.

The previous prime is 166748429. The next prime is 166748467. The reversal of 166748448 is 844847661.

It is an interprime number because it is at equal distance from previous prime (166748429) and next prime (166748467).

It is a tau number, because it is divible by the number of its divisors (24).

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 166748397 and 166748406.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 868386 + ... + 868577.

It is an arithmetic number, because the mean of its divisors is an integer number (18238122).

Almost surely, 2^166748448 is an apocalyptic number.

It is an amenable number.

166748448 is an abundant number, since it is smaller than the sum of its proper divisors (270966480).

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

166748448 is a wasteful number, since it uses less digits than its factorization.

166748448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1736976 (or 1736968 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 48.

The square root of 166748448 is about 12913.1114763251. Note that the first 3 decimals coincide. The cubic root of 166748448 is about 550.4112054348.

The spelling of 166748448 in words is "one hundred sixty-six million, seven hundred forty-eight thousand, four hundred forty-eight".