162864642 has 8 divisors (see below), whose sum is σ = 325729296. Its totient is φ = 54288212.

The previous prime is 162864631. The next prime is 162864659. The reversal of 162864642 is 246468261.

It is a sphenic number, since it is the product of 3 distinct primes.

162864642 is an admirable number.

It is a super-2 number, since 2×162864642² = 53049783227576328, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 162864642.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13572048 + ... + 13572059.

It is an arithmetic number, because the mean of its divisors is an integer number (40716162).

Almost surely, 2^162864642 is an apocalyptic number.

162864642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

162864642 is a wasteful number, since it uses less digits than its factorization.

162864642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27144112.

The product of its digits is 110592, while the sum is 39.

The square root of 162864642 is about 12761.8432054308. The cubic root of 162864642 is about 546.1043085879.

The spelling of 162864642 in words is "one hundred sixty-two million, eight hundred sixty-four thousand, six hundred forty-two".