163486142 has 4 divisors (see below), whose sum is σ = 245229216. Its totient is φ = 81743070.

The previous prime is 163486117. The next prime is 163486151. The reversal of 163486142 is 241684361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 241684361 = 1409 ⋅171529.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40871534 + ... + 40871537.

It is an arithmetic number, because the mean of its divisors is an integer number (61307304).

Almost surely, 2^163486142 is an apocalyptic number.

163486142 is a deficient number, since it is larger than the sum of its proper divisors (81743074).

163486142 is an equidigital number, since it uses as much as digits as its factorization.

163486142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81743073.

The product of its digits is 27648, while the sum is 35.

The square root of 163486142 is about 12786.1699503800. The cubic root of 163486142 is about 546.7980810544.

The spelling of 163486142 in words is "one hundred sixty-three million, four hundred eighty-six thousand, one hundred forty-two".