16432571656077 has 16 divisors (see below), whose sum is σ = 21915731323008. Its totient is φ = 10952230164480.

The previous prime is 16432571656043. The next prime is 16432571656079. The reversal of 16432571656077 is 77065617523461.

It is not a de Polignac number, because 16432571656077 - 2⁸ = 16432571655821 is a prime.

It is a super-2 number, since 2×16432571656077² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16432571656077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16432571656079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 440379373 + ... + 440416685.

It is an arithmetic number, because the mean of its divisors is an integer number (1369733207688).

Almost surely, 2^{16432571656077} is an apocalyptic number.

It is an amenable number.

16432571656077 is a deficient number, since it is larger than the sum of its proper divisors (5483159666931).

16432571656077 is a wasteful number, since it uses less digits than its factorization.

16432571656077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71140.

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

The spelling of 16432571656077 in words is "sixteen trillion, four hundred thirty-two billion, five hundred seventy-one million, six hundred fifty-six thousand, seventy-seven".