164883785810 has 16 divisors (see below), whose sum is σ = 312411384000. Its totient is φ = 62482276656.

The previous prime is 164883785777. The next prime is 164883785849. The reversal of 164883785810 is 18587388461.

164883785810 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×164883785810² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 164883785810.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 433904510 + ... + 433904889.

It is an arithmetic number, because the mean of its divisors is an integer number (19525711500).

Almost surely, 2^164883785810 is an apocalyptic number.

164883785810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164883785810 is a deficient number, since it is larger than the sum of its proper divisors (147527598190).

164883785810 is a wasteful number, since it uses less digits than its factorization.

164883785810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867809425.

The product of its (nonzero) digits is 10321920, while the sum is 59.

The spelling of 164883785810 in words is "one hundred sixty-four billion, eight hundred eighty-three million, seven hundred eighty-five thousand, eight hundred ten".