6554937772401 has 16 divisors (see below), whose sum is σ = 8766307036800. Its totient is φ = 4356768120320.

The previous prime is 6554937772379. The next prime is 6554937772463. The reversal of 6554937772401 is 1042777394556.

It is a cyclic number.

It is not a de Polignac number, because 6554937772401 - 2²² = 6554933578097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6554937772001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5144311 + ... + 6290771.

It is an arithmetic number, because the mean of its divisors is an integer number (547894189800).

Almost surely, 2^{6554937772401} is an apocalyptic number.

It is an amenable number.

6554937772401 is a deficient number, since it is larger than the sum of its proper divisors (2211369264399).

6554937772401 is a wasteful number, since it uses less digits than its factorization.

6554937772401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152216.

The product of its (nonzero) digits is 44452800, while the sum is 60.

The spelling of 6554937772401 in words is "six trillion, five hundred fifty-four billion, nine hundred thirty-seven million, seven hundred seventy-two thousand, four hundred one".