166334654320 has 20 divisors (see below), whose sum is σ = 386728071480. Its totient is φ = 66533861696.

The previous prime is 166334654309. The next prime is 166334654351. The reversal of 166334654320 is 23456433661.

166334654320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1039591510 + ... + 1039591669.

It is an arithmetic number, because the mean of its divisors is an integer number (19336403574).

Almost surely, 2^166334654320 is an apocalyptic number.

166334654320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166334654320 is an abundant number, since it is smaller than the sum of its proper divisors (220393417160).

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

166334654320 is a wasteful number, since it uses less digits than its factorization.

166334654320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2079183192 (or 2079183186 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 43.

The spelling of 166334654320 in words is "one hundred sixty-six billion, three hundred thirty-four million, six hundred fifty-four thousand, three hundred twenty".