166654989150 has 96 divisors (see below), whose sum is σ = 445638248160. Its totient is φ = 40972884480.

The previous prime is 166654989133. The next prime is 166654989331. The reversal of 166654989150 is 51989456661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1565004 + ... + 1668096.

It is an arithmetic number, because the mean of its divisors is an integer number (4642065085).

Almost surely, 2^166654989150 is an apocalyptic number.

166654989150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 166654989150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222819124080).

166654989150 is an abundant number, since it is smaller than the sum of its proper divisors (278983259010).

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

166654989150 is a wasteful number, since it uses less digits than its factorization.

166654989150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103950 (or 103945 counting only the distinct ones).

The product of its (nonzero) digits is 13996800, while the sum is 60.

The spelling of 166654989150 in words is "one hundred sixty-six billion, six hundred fifty-four million, nine hundred eighty-nine thousand, one hundred fifty".