16164856810 has 16 divisors (see below), whose sum is σ = 30808315656. Its totient is φ = 6085593088.

The previous prime is 16164856801. The next prime is 16164856819. The reversal of 16164856810 is 1865846161.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (16164856801) and next prime (16164856819).

It can be written as a sum of positive squares in 4 ways, for example, as 14522419081 + 1642437729 = 120509^2 + 40527^2 .

It is a super-2 number, since 2×16164856810² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16164856819) 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, 47543527 + ... + 47543866.

Almost surely, 2^16164856810 is an apocalyptic number.

16164856810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16164856810 is a deficient number, since it is larger than the sum of its proper divisors (14643458846).

16164856810 is a wasteful number, since it uses less digits than its factorization.

16164856810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95087417.

The product of its (nonzero) digits is 276480, while the sum is 46.

The spelling of 16164856810 in words is "sixteen billion, one hundred sixty-four million, eight hundred fifty-six thousand, eight hundred ten".