163198542 has 32 divisors (see below), whose sum is σ = 352372608. Its totient is φ = 50090976.

The previous prime is 163198531. The next prime is 163198591. The reversal of 163198542 is 245891361.

It is a super-2 number, since 2×163198542² = 53267528221851528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

163198542 is a Rhonda number in base 10.

Its product of digits (51840) is a multiple of the sum of its prime divisors (5184).

It is a self number, because there is not a number n which added to its sum of digits gives 163198542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32193 + ... + 36915.

It is an arithmetic number, because the mean of its divisors is an integer number (11011644).

Almost surely, 2^163198542 is an apocalyptic number.

163198542 is an abundant number, since it is smaller than the sum of its proper divisors (189174066).

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

163198542 is a wasteful number, since it uses less digits than its factorization.

163198542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5184.

The product of its digits is 51840, while the sum is 39.

The square root of 163198542 is about 12774.9184733211. The cubic root of 163198542 is about 546.4772558321.

The spelling of 163198542 in words is "one hundred sixty-three million, one hundred ninety-eight thousand, five hundred forty-two".