166528716 has 24 divisors (see below), whose sum is σ = 398045424. Its totient is φ = 54155520.

The previous prime is 166528709. The next prime is 166528729. The reversal of 166528716 is 617825661.

166528716 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168745 + ... + 169728.

It is an arithmetic number, because the mean of its divisors is an integer number (16585226).

Almost surely, 2^166528716 is an apocalyptic number.

It is an amenable number.

166528716 is an abundant number, since it is smaller than the sum of its proper divisors (231516708).

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

166528716 is a wasteful number, since it uses less digits than its factorization.

166528716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338521 (or 338519 counting only the distinct ones).

The product of its digits is 120960, while the sum is 42.

The square root of 166528716 is about 12904.6005749888. The cubic root of 166528716 is about 550.1693318834.

It can be divided in two parts, 1665 and 28716, that added together give a triangular number (30381 = T₂₄₆).

The spelling of 166528716 in words is "one hundred sixty-six million, five hundred twenty-eight thousand, seven hundred sixteen".