166356046430 has 32 divisors (see below), whose sum is σ = 362348634816. Its totient is φ = 53681278464.

The previous prime is 166356046327. The next prime is 166356046453. The reversal of 166356046430 is 34640653661.

It is a super-3 number, since 3×166356046430³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69896309 + ... + 69898688.

It is an arithmetic number, because the mean of its divisors is an integer number (11323394838).

Almost surely, 2^166356046430 is an apocalyptic number.

166356046430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166356046430 is an abundant number, since it is smaller than the sum of its proper divisors (195992588386).

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

166356046430 is a wasteful number, since it uses less digits than its factorization.

166356046430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139795028.

The product of its (nonzero) digits is 933120, while the sum is 44.

The spelling of 166356046430 in words is "one hundred sixty-six billion, three hundred fifty-six million, forty-six thousand, four hundred thirty".