166532463 has 16 divisors (see below), whose sum is σ = 247505760. Its totient is φ = 110665728.

The previous prime is 166532437. The next prime is 166532467. The reversal of 166532463 is 364235661.

166532463 is a `hidden beast` number, since 1 + 66 + 532 + 4 + 63 = 666.

It is not a de Polignac number, because 166532463 - 2¹² = 166528367 is a prime.

It is a super-2 number, since 2×166532463² = 55466122465692738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166532467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1170 + ... + 18287.

It is an arithmetic number, because the mean of its divisors is an integer number (15469110).

Almost surely, 2^166532463 is an apocalyptic number.

166532463 is a deficient number, since it is larger than the sum of its proper divisors (80973297).

166532463 is a wasteful number, since it uses less digits than its factorization.

166532463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19783 (or 19777 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 166532463 is about 12904.7457549539. The cubic root of 166532463 is about 550.1734582369.

The spelling of 166532463 in words is "one hundred sixty-six million, five hundred thirty-two thousand, four hundred sixty-three".