6736256121 has 16 divisors (see below), whose sum is σ = 10326242304. Its totient is φ = 3826237584.

The previous prime is 6736256081. The next prime is 6736256129. The reversal of 6736256121 is 1216526376.

It is not a de Polignac number, because 6736256121 - 2⁹ = 6736255609 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6736256121.

It is not an unprimeable number, because it can be changed into a prime (6736256129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 956895 + ... + 963908.

It is an arithmetic number, because the mean of its divisors is an integer number (645390144).

Almost surely, 2^6736256121 is an apocalyptic number.

It is an amenable number.

6736256121 is a deficient number, since it is larger than the sum of its proper divisors (3589986183).

6736256121 is a wasteful number, since it uses less digits than its factorization.

6736256121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1920980.

The product of its digits is 90720, while the sum is 39.

The square root of 6736256121 is about 82074.6984216208. The cubic root of 6736256121 is about 1888.5980216236.

The spelling of 6736256121 in words is "six billion, seven hundred thirty-six million, two hundred fifty-six thousand, one hundred twenty-one".