165532149142 has 8 divisors (see below), whose sum is σ = 248300274096. Its totient is φ = 82765391112.

The previous prime is 165532149059. The next prime is 165532149179. The reversal of 165532149142 is 241941235561.

It is a happy number.

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, 51528 + ... + 577684.

It is an arithmetic number, because the mean of its divisors is an integer number (31037534262).

Almost surely, 2^165532149142 is an apocalyptic number.

165532149142 is a deficient number, since it is larger than the sum of its proper divisors (82768124954).

165532149142 is a wasteful number, since it uses less digits than its factorization.

165532149142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683462.

The product of its digits is 259200, while the sum is 43.

The spelling of 165532149142 in words is "one hundred sixty-five billion, five hundred thirty-two million, one hundred forty-nine thousand, one hundred forty-two".