4121067816 has 24 divisors (see below), whose sum is σ = 11161225530. Its totient is φ = 1373689248.

The previous prime is 4121067793. The next prime is 4121067817. The reversal of 4121067816 is 6187601214.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4076311716 + 44756100 = 63846^2 + 6690^2 .

It is a tau number, because it is divible by the number of its divisors (24).

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

It is not an unprimeable number, because it can be changed into a prime (4121067817) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 28618455 + ... + 28618598.

Almost surely, 2^4121067816 is an apocalyptic number.

It is an amenable number.

4121067816 is an abundant number, since it is smaller than the sum of its proper divisors (7040157714).

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

4121067816 is a wasteful number, since it uses less digits than its factorization.

4121067816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57237065 (or 57237058 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 4121067816 is about 64195.5435836476. The cubic root of 4121067816 is about 1603.2574023724.

The spelling of 4121067816 in words is "four billion, one hundred twenty-one million, sixty-seven thousand, eight hundred sixteen".