166939485300 has 720 divisors, whose sum is σ = 659206141440. Its totient is φ = 35694639360.

The previous prime is 166939485287. The next prime is 166939485367. The reversal of 166939485300 is 3584939661.

166939485300 is a `hidden beast` number, since 1 + 6 + 69 + 3 + 9 + 48 + 530 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 89414967 + ... + 89416833.

Almost surely, 2^166939485300 is an apocalyptic number.

166939485300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166939485300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (329603070720).

166939485300 is an abundant number, since it is smaller than the sum of its proper divisors (492266656140).

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

166939485300 is a wasteful number, since it uses less digits than its factorization.

166939485300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002 (or 1986 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 54.

The spelling of 166939485300 in words is "one hundred sixty-six billion, nine hundred thirty-nine million, four hundred eighty-five thousand, three hundred".