165147650052 has 144 divisors (see below), whose sum is σ = 484540901376. Its totient is φ = 42853694400.

The previous prime is 165147650051. The next prime is 165147650137. The reversal of 165147650052 is 250056741561.

165147650052 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 165147649986 and 165147650013.

It is not an unprimeable number, because it can be changed into a prime (165147650051) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11203527 + ... + 11218257.

Almost surely, 2^165147650052 is an apocalyptic number.

165147650052 is a gapful number since it is divisible by the number (12) 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 165147650052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242270450688).

165147650052 is an abundant number, since it is smaller than the sum of its proper divisors (319393251324).

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

165147650052 is a wasteful number, since it uses less digits than its factorization.

165147650052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15870 (or 15857 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 42.

The spelling of 165147650052 in words is "one hundred sixty-five billion, one hundred forty-seven million, six hundred fifty thousand, fifty-two".