201653353530 has 96 divisors (see below), whose sum is σ = 547683462144. Its totient is φ = 51380828928.

The previous prime is 201653353519. The next prime is 201653353549. The reversal of 201653353530 is 35353356102.

201653353530 is a `hidden beast` number, since 2 + 0 + 1 + 65 + 33 + 535 + 30 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1887607 + ... + 1991573.

It is an arithmetic number, because the mean of its divisors is an integer number (5705036064).

Almost surely, 2^201653353530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201653353530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273841731072).

201653353530 is an abundant number, since it is smaller than the sum of its proper divisors (346030108614).

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

201653353530 is a wasteful number, since it uses less digits than its factorization.

201653353530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104940 (or 104937 counting only the distinct ones).

The product of its (nonzero) digits is 121500, while the sum is 36.

The spelling of 201653353530 in words is "two hundred one billion, six hundred fifty-three million, three hundred fifty-three thousand, five hundred thirty".