16772732402451 has 4 divisors (see below), whose sum is σ = 22363643203272. Its totient is φ = 11181821601632.

The previous prime is 16772732402431. The next prime is 16772732402453. The reversal of 16772732402451 is 15420423727761.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16772732402451 - 2³⁷ = 16635293448979 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16772732402394 and 16772732402403.

It is not an unprimeable number, because it can be changed into a prime (16772732402453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2795455400406 + ... + 2795455400411.

It is an arithmetic number, because the mean of its divisors is an integer number (5590910800818).

Almost surely, 2^{16772732402451} is an apocalyptic number.

16772732402451 is a deficient number, since it is larger than the sum of its proper divisors (5590910800821).

16772732402451 is an equidigital number, since it uses as much as digits as its factorization.

16772732402451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5590910800820.

The product of its (nonzero) digits is 3951360, while the sum is 51.

The spelling of 16772732402451 in words is "sixteen trillion, seven hundred seventy-two billion, seven hundred thirty-two million, four hundred two thousand, four hundred fifty-one".