16432451207077 has 8 divisors (see below), whose sum is σ = 16443371536632. Its totient is φ = 16421534500800.

The previous prime is 16432451207033. The next prime is 16432451207087. The reversal of 16432451207077 is 77070215423461.

It can be written as a sum of positive squares in 4 ways, for example, as 94695291076 + 16337755916001 = 307726^2 + 4041999^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16432451207077 - 2²⁷ = 16432316989349 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16432451207077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16432451207087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8198043 + ... + 10003639.

It is an arithmetic number, because the mean of its divisors is an integer number (2055421442079).

Almost surely, 2^{16432451207077} is an apocalyptic number.

It is an amenable number.

16432451207077 is a deficient number, since it is larger than the sum of its proper divisors (10920329555).

16432451207077 is a wasteful number, since it uses less digits than its factorization.

16432451207077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1811639.

The product of its (nonzero) digits is 1975680, while the sum is 49.

The spelling of 16432451207077 in words is "sixteen trillion, four hundred thirty-two billion, four hundred fifty-one million, two hundred seven thousand, seventy-seven".