16435254042251 has 32 divisors (see below), whose sum is σ = 18268825639680. Its totient is φ = 14661090662400.

The previous prime is 16435254042227. The next prime is 16435254042271. The reversal of 16435254042251 is 15224045253461.

It is a cyclic number.

It is not a de Polignac number, because 16435254042251 - 2¹⁴ = 16435254025867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16435254042211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 157756160 + ... + 157860306.

It is an arithmetic number, because the mean of its divisors is an integer number (570900801240).

Almost surely, 2^{16435254042251} is an apocalyptic number.

16435254042251 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

16435254042251 is a deficient number, since it is larger than the sum of its proper divisors (1833571597429).

16435254042251 is a wasteful number, since it uses less digits than its factorization.

16435254042251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105515.

The product of its (nonzero) digits is 1152000, while the sum is 44.

The spelling of 16435254042251 in words is "sixteen trillion, four hundred thirty-five billion, two hundred fifty-four million, forty-two thousand, two hundred fifty-one".