166504759280436 has 48 divisors (see below), whose sum is σ = 391131702039680. Its totient is φ = 55127305036800.

The previous prime is 166504759280411. The next prime is 166504759280443. The reversal of 166504759280436 is 634082957405661.

It is a super-4 number, since 4×166504759280436⁴ (a number of 58 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9277800 + ... + 20471616.

It is a 1-persistent number, because it is pandigital, but 2⋅166504759280436 = 333009518560872 is not.

Almost surely, 2^{166504759280436} is an apocalyptic number.

It is an amenable number.

166504759280436 is an abundant number, since it is smaller than the sum of its proper divisors (224626942759244).

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

166504759280436 is a wasteful number, since it uses less digits than its factorization.

166504759280436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11202184 (or 11202182 counting only the distinct ones).

The product of its (nonzero) digits is 261273600, while the sum is 66.

The spelling of 166504759280436 in words is "one hundred sixty-six trillion, five hundred four billion, seven hundred fifty-nine million, two hundred eighty thousand, four hundred thirty-six".