16545132623761 has 8 divisors (see below), whose sum is σ = 18928564268544. Its totient is φ = 14166661296480.

The previous prime is 16545132623759. The next prime is 16545132623863. The reversal of 16545132623761 is 16732623154561.

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

It is not a de Polignac number, because 16545132623761 - 2¹ = 16545132623759 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16545132623699 and 16545132623708.

It is not an unprimeable number, because it can be changed into a prime (16545132653761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1240072225 + ... + 1240085566.

It is an arithmetic number, because the mean of its divisors is an integer number (2366070533568).

Almost surely, 2^{16545132623761} is an apocalyptic number.

It is an amenable number.

16545132623761 is a deficient number, since it is larger than the sum of its proper divisors (2383431644783).

16545132623761 is an equidigital number, since it uses as much as digits as its factorization.

16545132623761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2480158751.

The product of its digits is 5443200, while the sum is 52.

The spelling of 16545132623761 in words is "sixteen trillion, five hundred forty-five billion, one hundred thirty-two million, six hundred twenty-three thousand, seven hundred sixty-one".