163542340 has 24 divisors (see below), whose sum is σ = 369857880. Its totient is φ = 60384768.

The previous prime is 163542307. The next prime is 163542343. The reversal of 163542340 is 43245361.

163542340 is digitally balanced in base 3, 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 4 ways, for example, as 4631104 + 158911236 = 2152^2 + 12606^2 .

It is a junction number, because it is equal to n+sod(n) for n = 163542299 and 163542308.

It is not an unprimeable number, because it can be changed into a prime (163542343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314245 + ... + 314764.

It is an arithmetic number, because the mean of its divisors is an integer number (15410745).

Almost surely, 2^163542340 is an apocalyptic number.

163542340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163542340 is an abundant number, since it is smaller than the sum of its proper divisors (206315540).

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

163542340 is a wasteful number, since it uses less digits than its factorization.

163542340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629031 (or 629029 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 163542340 is about 12788.3673703878. The cubic root of 163542340 is about 546.8607274207.

The spelling of 163542340 in words is "one hundred sixty-three million, five hundred forty-two thousand, three hundred forty".