165454543622 has 8 divisors (see below), whose sum is σ = 250501271976. Its totient is φ = 81954119632.

The previous prime is 165454543609. The next prime is 165454543643. The reversal of 165454543622 is 226345454561.

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

It is a congruent number.

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, 386575823 + ... + 386576250.

It is an arithmetic number, because the mean of its divisors is an integer number (31312658997).

Almost surely, 2^165454543622 is an apocalyptic number.

165454543622 is a deficient number, since it is larger than the sum of its proper divisors (85046728354).

165454543622 is a wasteful number, since it uses less digits than its factorization.

165454543622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773152182.

The product of its digits is 3456000, while the sum is 47.

The spelling of 165454543622 in words is "one hundred sixty-five billion, four hundred fifty-four million, five hundred forty-three thousand, six hundred twenty-two".