16432451364377 has 24 divisors (see below), whose sum is σ = 17542420688520. Its totient is φ = 15388525405440.

The previous prime is 16432451364359. The next prime is 16432451364389. The reversal of 16432451364377 is 77346315423461.

It can be written as a sum of positive squares in 4 ways, for example, as 6889937267161 + 9542514097216 = 2624869^2 + 3089096^2 .

It is not a de Polignac number, because 16432451364377 - 2¹⁴ = 16432451347993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16432451364677) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 122697983 + ... + 122831835.

It is an arithmetic number, because the mean of its divisors is an integer number (730934195355).

Almost surely, 2^{16432451364377} is an apocalyptic number.

It is an amenable number.

16432451364377 is a deficient number, since it is larger than the sum of its proper divisors (1109969324143).

16432451364377 is a wasteful number, since it uses less digits than its factorization.

16432451364377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137801 (or 137782 counting only the distinct ones).

The product of its digits is 30481920, while the sum is 56.

The spelling of 16432451364377 in words is "sixteen trillion, four hundred thirty-two billion, four hundred fifty-one million, three hundred sixty-four thousand, three hundred seventy-seven".