163542536455050 has 72 divisors (see below), whose sum is σ = 439386542752716. Its totient is φ = 43611118590720.

The previous prime is 163542536455021. The next prime is 163542536455057. The reversal of 163542536455050 is 50554635245361.

163542536455050 is a `hidden beast` number, since 1 + 6 + 3 + 5 + 4 + 2 + 5 + 36 + 4 + 550 + 50 = 666.

163542536455050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 129812913241209 + 33729623213841 = 11393547^2 + 5807721^2 .

It is a super-2 number, since 2×163542536455050² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (163542536455057) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 98272492 + ... + 99922808.

Almost surely, 2^{163542536455050} is an apocalyptic number.

163542536455050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

163542536455050 is an abundant number, since it is smaller than the sum of its proper divisors (275844006297666).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163542536455050 is a wasteful number, since it uses less digits than its factorization.

163542536455050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1870552 (or 1870544 counting only the distinct ones).

The product of its (nonzero) digits is 32400000, while the sum is 54.

The spelling of 163542536455050 in words is "one hundred sixty-three trillion, five hundred forty-two billion, five hundred thirty-six million, four hundred fifty-five thousand, fifty".