16577400745154 has 4 divisors (see below), whose sum is σ = 24866101117734. Its totient is φ = 8288700372576.

The previous prime is 16577400745153. The next prime is 16577400745187. The reversal of 16577400745154 is 45154700477561.

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

It can be written as a sum of positive squares in only one way, i.e., 8807997101929 + 7769403643225 = 2967827^2 + 2787365^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16577400745154.

It is not an unprimeable number, because it can be changed into a prime (16577400745153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4144350186287 + ... + 4144350186290.

Almost surely, 2^{16577400745154} is an apocalyptic number.

16577400745154 is a deficient number, since it is larger than the sum of its proper divisors (8288700372580).

16577400745154 is an equidigital number, since it uses as much as digits as its factorization.

16577400745154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8288700372579.

The product of its (nonzero) digits is 16464000, while the sum is 56.

The spelling of 16577400745154 in words is "sixteen trillion, five hundred seventy-seven billion, four hundred million, seven hundred forty-five thousand, one hundred fifty-four".