166053530 has 32 divisors (see below), whose sum is σ = 309355200. Its totient is φ = 64132992.

The previous prime is 166053527. The next prime is 166053551. The reversal of 166053530 is 35350661.

It is a junction number, because it is equal to n+sod(n) for n = 166053493 and 166053502.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36101 + ... + 40439.

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

Almost surely, 2^166053530 is an apocalyptic number.

166053530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166053530 is a deficient number, since it is larger than the sum of its proper divisors (143301670).

166053530 is a wasteful number, since it uses less digits than its factorization.

166053530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4478.

The product of its (nonzero) digits is 8100, while the sum is 29.

The square root of 166053530 is about 12886.1759261621. The cubic root of 166053530 is about 549.6455346878.

The spelling of 166053530 in words is "one hundred sixty-six million, fifty-three thousand, five hundred thirty".