16457549698 has 4 divisors (see below), whose sum is σ = 24686324550. Its totient is φ = 8228774848.

The previous prime is 16457549687. The next prime is 16457549701. The reversal of 16457549698 is 89694575461.

16457549698 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89694575461 = 151 ⋅594003811.

It can be written as a sum of positive squares in only one way, i.e., 8814768769 + 7642780929 = 93887^2 + 87423^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4114387423 + ... + 4114387426.

Almost surely, 2^16457549698 is an apocalyptic number.

16457549698 is a deficient number, since it is larger than the sum of its proper divisors (8228774852).

16457549698 is an equidigital number, since it uses as much as digits as its factorization.

16457549698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8228774851.

The product of its digits is 65318400, while the sum is 64.

The spelling of 16457549698 in words is "sixteen billion, four hundred fifty-seven million, five hundred forty-nine thousand, six hundred ninety-eight".