16916407342258 has 4 divisors (see below), whose sum is σ = 25374611013390. Its totient is φ = 8458203671128.

The previous prime is 16916407342253. The next prime is 16916407342273. The reversal of 16916407342258 is 85224370461961.

16916407342258 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.

It can be written as a sum of positive squares in only one way, i.e., 12413833148929 + 4502574193329 = 3523327^2 + 2121927^2 .

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (16916407342253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4229101835563 + ... + 4229101835566.

It is a 1-persistent number, because it is pandigital, but 2⋅16916407342258 = 33832814684516 is not.

Almost surely, 2^{16916407342258} is an apocalyptic number.

16916407342258 is a deficient number, since it is larger than the sum of its proper divisors (8458203671132).

16916407342258 is an equidigital number, since it uses as much as digits as its factorization.

16916407342258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8458203671131.

The product of its (nonzero) digits is 17418240, while the sum is 58.

The spelling of 16916407342258 in words is "sixteen trillion, nine hundred sixteen billion, four hundred seven million, three hundred forty-two thousand, two hundred fifty-eight".