163545344051 has 8 divisors (see below), whose sum is σ = 164754352560. Its totient is φ = 162336799008.

The previous prime is 163545344023. The next prime is 163545344057. The reversal of 163545344051 is 150443545361.

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 163545344051 - 2²² = 163541149747 is a prime.

It is a super-2 number, since 2×163545344051² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163545344057) 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, 609185 + ... + 835581.

It is an arithmetic number, because the mean of its divisors is an integer number (20594294070).

Almost surely, 2^163545344051 is an apocalyptic number.

163545344051 is a deficient number, since it is larger than the sum of its proper divisors (1209008509).

163545344051 is a wasteful number, since it uses less digits than its factorization.

163545344051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231733.

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 163545344051 in words is "one hundred sixty-three billion, five hundred forty-five million, three hundred forty-four thousand, fifty-one".