16117870 has 16 divisors (see below), whose sum is σ = 30719088. Its totient is φ = 6067840.

The previous prime is 16117859. The next prime is 16117873. The reversal of 16117870 is 7871161.

It is a super-3 number, since 3×16117870³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16117873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47236 + ... + 47575.

It is an arithmetic number, because the mean of its divisors is an integer number (1919943).

Almost surely, 2^16117870 is an apocalyptic number.

16117870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16117870 is a deficient number, since it is larger than the sum of its proper divisors (14601218).

16117870 is a wasteful number, since it uses less digits than its factorization.

16117870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94835.

The product of its (nonzero) digits is 2352, while the sum is 31.

The square root of 16117870 is about 4014.7067140702. The cubic root of 16117870 is about 252.6014754045.

The spelling of 16117870 in words is "sixteen million, one hundred seventeen thousand, eight hundred seventy".