172016884 has 24 divisors (see below), whose sum is σ = 324561888. Its totient is φ = 79300320.

The previous prime is 172016869. The next prime is 172016903. The reversal of 172016884 is 488610271.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66699 + ... + 69229.

It is an arithmetic number, because the mean of its divisors is an integer number (13523412).

Almost surely, 2^172016884 is an apocalyptic number.

It is an amenable number.

172016884 is a deficient number, since it is larger than the sum of its proper divisors (152545004).

172016884 is a wasteful number, since it uses less digits than its factorization.

172016884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3855 (or 3853 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 37.

The square root of 172016884 is about 13115.5207292734. The cubic root of 172016884 is about 556.1479731404.

The spelling of 172016884 in words is "one hundred seventy-two million, sixteen thousand, eight hundred eighty-four".