163554343453 has 8 divisors (see below), whose sum is σ = 176170738176. Its totient is φ = 151396726800.

The previous prime is 163554343423. The next prime is 163554343493. The reversal of 163554343453 is 354343455361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 163554343453 - 2¹³ = 163554335261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163554343423) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 114693778 + ... + 114695203.

It is an arithmetic number, because the mean of its divisors is an integer number (22021342272).

Almost surely, 2^163554343453 is an apocalyptic number.

It is an amenable number.

163554343453 is a deficient number, since it is larger than the sum of its proper divisors (12616394723).

163554343453 is a wasteful number, since it uses less digits than its factorization.

163554343453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229389035.

The product of its digits is 3888000, while the sum is 46.

The spelling of 163554343453 in words is "one hundred sixty-three billion, five hundred fifty-four million, three hundred forty-three thousand, four hundred fifty-three".