7216556127 has 32 divisors (see below), whose sum is σ = 10877760000. Its totient is φ = 4215469440.

The previous prime is 7216556119. The next prime is 7216556143.

It is a happy number.

7216556127 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 7216556127 - 2³ = 7216556119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7216556147) 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 31 ways as a sum of consecutive naturals, for example, 566949 + ... + 579537.

It is an arithmetic number, because the mean of its divisors is an integer number (339930000).

Almost surely, 2^7216556127 is an apocalyptic number.

7216556127 is a deficient number, since it is larger than the sum of its proper divisors (3661203873).

7216556127 is a wasteful number, since it uses less digits than its factorization.

7216556127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13231.

The product of its digits is 176400, while the sum is 42.

The square root of 7216556127 is about 84950.3156380246. The cubic root of 7216556127 is about 1932.4577070239.

The spelling of 7216556127 in words is "seven billion, two hundred sixteen million, five hundred fifty-six thousand, one hundred twenty-seven".