6551402432516 has 6 divisors (see below), whose sum is σ = 11464954256910. Its totient is φ = 3275701216256.

The previous prime is 6551402432489. The next prime is 6551402432537. The reversal of 6551402432516 is 6152342041556.

It can be written as a sum of positive squares in only one way, i.e., 6362733822916 + 188668609600 = 2522446^2 + 434360^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 818925304061 + ... + 818925304068.

It is an arithmetic number, because the mean of its divisors is an integer number (1910825709485).

Almost surely, 2^{6551402432516} is an apocalyptic number.

It is an amenable number.

6551402432516 is a deficient number, since it is larger than the sum of its proper divisors (4913551824394).

6551402432516 is a wasteful number, since it uses less digits than its factorization.

6551402432516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1637850608133 (or 1637850608131 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 44.

The spelling of 6551402432516 in words is "six trillion, five hundred fifty-one billion, four hundred two million, four hundred thirty-two thousand, five hundred sixteen".