116172828 has 36 divisors (see below), whose sum is σ = 294315840. Its totient is φ = 38637696.

The previous prime is 116172809. The next prime is 116172863. The reversal of 116172828 is 828271611.

116172828 is a `hidden beast` number, since 11 + 617 + 2 + 8 + 28 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×116172828² = 26992251931035168, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 116172792 and 116172801.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13876 + ... + 20612.

It is an arithmetic number, because the mean of its divisors is an integer number (8175440).

Almost surely, 2^116172828 is an apocalyptic number.

116172828 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

116172828 is an abundant number, since it is smaller than the sum of its proper divisors (178143012).

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

116172828 is a wasteful number, since it uses less digits than its factorization.

116172828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7226 (or 7221 counting only the distinct ones).

The product of its digits is 10752, while the sum is 36.

The square root of 116172828 is about 10778.3499664837. The cubic root of 116172828 is about 487.9419833833.

The spelling of 116172828 in words is "one hundred sixteen million, one hundred seventy-two thousand, eight hundred twenty-eight".