165093749730 has 384 divisors, whose sum is σ = 555676692480. Its totient is φ = 33070602240.

The previous prime is 165093749719. The next prime is 165093749753. The reversal of 165093749730 is 37947390561.

It is a happy number.

165093749730 is a `hidden beast` number, since 1 + 65 + 0 + 93 + 7 + 497 + 3 + 0 = 666.

165093749730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 13450036 + ... + 13462304.

It is an arithmetic number, because the mean of its divisors is an integer number (1447074720).

Almost surely, 2^165093749730 is an apocalyptic number.

165093749730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 165093749730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277838346240).

165093749730 is an abundant number, since it is smaller than the sum of its proper divisors (390582942750).

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

165093749730 is a wasteful number, since it uses less digits than its factorization.

165093749730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12386 (or 12383 counting only the distinct ones).

The product of its (nonzero) digits is 4286520, while the sum is 54.

The spelling of 165093749730 in words is "one hundred sixty-five billion, ninety-three million, seven hundred forty-nine thousand, seven hundred thirty".