16432426447155 has 48 divisors (see below), whose sum is σ = 29211625707264. Its totient is φ = 8540227906560.

The previous prime is 16432426447153. The next prime is 16432426447277. The reversal of 16432426447155 is 55174462423461.

16432426447155 is a `hidden beast` number, since 1 + 6 + 4 + 3 + 2 + 42 + 6 + 447 + 155 = 666.

It is not a de Polignac number, because 16432426447155 - 2¹ = 16432426447153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16432426447153) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3615139 + ... + 6777468.

It is an arithmetic number, because the mean of its divisors is an integer number (608575535568).

Almost surely, 2^{16432426447155} is an apocalyptic number.

16432426447155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16432426447155 is a deficient number, since it is larger than the sum of its proper divisors (12779199260109).

16432426447155 is a wasteful number, since it uses less digits than its factorization.

16432426447155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10393516 (or 10393513 counting only the distinct ones).

The product of its digits is 19353600, while the sum is 54.

The spelling of 16432426447155 in words is "sixteen trillion, four hundred thirty-two billion, four hundred twenty-six million, four hundred forty-seven thousand, one hundred fifty-five".