165142150500 has 192 divisors, whose sum is σ = 510313789440. Its totient is φ = 41408752000.

The previous prime is 165142150483. The next prime is 165142150507. The reversal of 165142150500 is 5051241561.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (165142150507) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1994935 + ... + 2076065.

It is an arithmetic number, because the mean of its divisors is an integer number (2657884320).

Almost surely, 2^165142150500 is an apocalyptic number.

165142150500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 165142150500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255156894720).

165142150500 is an abundant number, since it is smaller than the sum of its proper divisors (345171638940).

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

165142150500 is a wasteful number, since it uses less digits than its factorization.

165142150500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81235 (or 81223 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 30.

The spelling of 165142150500 in words is "one hundred sixty-five billion, one hundred forty-two million, one hundred fifty thousand, five hundred".