8016870401 has 4 divisors (see below), whose sum is σ = 8233542612. Its totient is φ = 7800198192.

The previous prime is 8016870397. The next prime is 8016870451. The reversal of 8016870401 is 1040786108.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4375954801 + 3640915600 = 66151^2 + 60340^2 .

It is a cyclic number.

It is not a de Polignac number, because 8016870401 - 2² = 8016870397 is a prime.

It is a super-2 number, since 2×8016870401² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8016870451) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 108336050 + ... + 108336123.

It is an arithmetic number, because the mean of its divisors is an integer number (2058385653).

Almost surely, 2^8016870401 is an apocalyptic number.

It is an amenable number.

8016870401 is a deficient number, since it is larger than the sum of its proper divisors (216672211).

8016870401 is a wasteful number, since it uses less digits than its factorization.

8016870401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216672210.

The product of its (nonzero) digits is 10752, while the sum is 35.

The square root of 8016870401 is about 89536.9778415600. The cubic root of 8016870401 is about 2001.4048796755.

The spelling of 8016870401 in words is "eight billion, sixteen million, eight hundred seventy thousand, four hundred one".