16677240211154 has 4 divisors (see below), whose sum is σ = 25015860316734. Its totient is φ = 8338620105576.

The previous prime is 16677240211147. The next prime is 16677240211189. The reversal of 16677240211154 is 45111204277661.

It is a happy number.

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., 16155761252929 + 521478958225 = 4019423^2 + 722135^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16677240211099 and 16677240211108.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4169310052787 + ... + 4169310052790.

Almost surely, 2^{16677240211154} is an apocalyptic number.

16677240211154 is a deficient number, since it is larger than the sum of its proper divisors (8338620105580).

16677240211154 is an equidigital number, since it uses as much as digits as its factorization.

16677240211154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8338620105579.

The product of its (nonzero) digits is 564480, while the sum is 47.

The spelling of 16677240211154 in words is "sixteen trillion, six hundred seventy-seven billion, two hundred forty million, two hundred eleven thousand, one hundred fifty-four".