166224630 has 64 divisors (see below), whose sum is σ = 468695808. Its totient is φ = 37196160.

The previous prime is 166224601. The next prime is 166224637. The reversal of 166224630 is 36422661.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166224637) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15084 + ... + 23663.

It is an arithmetic number, because the mean of its divisors is an integer number (7323372).

Almost surely, 2^166224630 is an apocalyptic number.

166224630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166224630 is an abundant number, since it is smaller than the sum of its proper divisors (302471178).

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

166224630 is a wasteful number, since it uses less digits than its factorization.

166224630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38781.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 166224630 is about 12892.8131142897. The cubic root of 166224630 is about 549.8342530862.

The spelling of 166224630 in words is "one hundred sixty-six million, two hundred twenty-four thousand, six hundred thirty".