166743104 has 56 divisors (see below), whose sum is σ = 362455968. Its totient is φ = 75479040.

The previous prime is 166743103. The next prime is 166743113. The reversal of 166743104 is 401347661.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (166743103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304559 + ... + 305105.

It is an arithmetic number, because the mean of its divisors is an integer number (6472428).

Almost surely, 2^166743104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166743104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181227984).

166743104 is an abundant number, since it is smaller than the sum of its proper divisors (195712864).

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

166743104 is a wasteful number, since it uses less digits than its factorization.

166743104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003 (or 993 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 166743104 is about 12912.9045531979. The cubic root of 166743104 is about 550.4053254623.

The spelling of 166743104 in words is "one hundred sixty-six million, seven hundred forty-three thousand, one hundred four".