166042480 has 40 divisors (see below), whose sum is σ = 386694000. Its totient is φ = 66306048.

The previous prime is 166042447. The next prime is 166042483. The reversal of 166042480 is 84240661.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166042483) 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, 60171 + ... + 62869.

It is an arithmetic number, because the mean of its divisors is an integer number (9667350).

Almost surely, 2^166042480 is an apocalyptic number.

166042480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166042480 is an abundant number, since it is smaller than the sum of its proper divisors (220651520).

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

166042480 is a wasteful number, since it uses less digits than its factorization.

166042480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3481 (or 3475 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 166042480 is about 12885.7471649881. The cubic root of 166042480 is about 549.6333423988.

The spelling of 166042480 in words is "one hundred sixty-six million, forty-two thousand, four hundred eighty".