166124040 has 64 divisors (see below), whose sum is σ = 514460160. Its totient is φ = 42869760.

The previous prime is 166124039. The next prime is 166124053. The reversal of 166124040 is 40421661.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 166124040.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18609 + ... + 26048.

It is an arithmetic number, because the mean of its divisors is an integer number (8038440).

Almost surely, 2^166124040 is an apocalyptic number.

166124040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166124040 is an abundant number, since it is smaller than the sum of its proper divisors (348336120).

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

166124040 is a wasteful number, since it uses less digits than its factorization.

166124040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44702 (or 44698 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 166124040 is about 12888.9115133901. The cubic root of 166124040 is about 549.7233208942.

The spelling of 166124040 in words is "one hundred sixty-six million, one hundred twenty-four thousand, forty".