166023650 has 48 divisors (see below), whose sum is σ = 334811904. Its totient is φ = 60886080.

The previous prime is 166023647. The next prime is 166023659. The reversal of 166023650 is 56320661.

166023650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (166023659) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 105167 + ... + 106733.

It is an arithmetic number, because the mean of its divisors is an integer number (6975248).

Almost surely, 2^166023650 is an apocalyptic number.

166023650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166023650 is an abundant number, since it is smaller than the sum of its proper divisors (168788254).

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

166023650 is a wasteful number, since it uses less digits than its factorization.

166023650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1755 (or 1750 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 166023650 is about 12885.0164920345. The cubic root of 166023650 is about 549.6125646093.

The spelling of 166023650 in words is "one hundred sixty-six million, twenty-three thousand, six hundred fifty".