166530700 has 36 divisors (see below), whose sum is σ = 412997872. Its totient is φ = 57096000.

The previous prime is 166530697. The next prime is 166530703. The reversal of 166530700 is 7035661.

166530700 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (166530697) and next prime (166530703).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (166530703) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 118251 + ... + 119650.

Almost surely, 2^166530700 is an apocalyptic number.

166530700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166530700 is an abundant number, since it is smaller than the sum of its proper divisors (246467172).

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

166530700 is a wasteful number, since it uses less digits than its factorization.

166530700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237922 (or 237915 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 166530700 is about 12904.6774465695. The cubic root of 166530700 is about 550.1715167551.

The spelling of 166530700 in words is "one hundred sixty-six million, five hundred thirty thousand, seven hundred".