4261000256164 has 24 divisors (see below), whose sum is σ = 8167637411640. Its totient is φ = 1936032569856.

The previous prime is 4261000256153. The next prime is 4261000256167. The reversal of 4261000256164 is 4616520001624.

It can be written as a sum of positive squares in 4 ways, for example, as 2027798784064 + 2233201472100 = 1424008^2 + 1494390^2 .

It is a super-2 number, since 2×4261000256164² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4261000256167) 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, 1080373347 + ... + 1080377290.

It is an arithmetic number, because the mean of its divisors is an integer number (340318225485).

Almost surely, 2^{4261000256164} is an apocalyptic number.

It is an amenable number.

4261000256164 is a deficient number, since it is larger than the sum of its proper divisors (3906637155476).

4261000256164 is a wasteful number, since it uses less digits than its factorization.

4261000256164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2160750687 (or 2160750685 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

Adding to 4261000256164 its reverse (4616520001624), we get a palindrome (8877520257788).

The spelling of 4261000256164 in words is "four trillion, two hundred sixty-one billion, two hundred fifty-six thousand, one hundred sixty-four".