201353553396 has 72 divisors (see below), whose sum is σ = 525850800384. Its totient is φ = 64896491520.

The previous prime is 201353553377. The next prime is 201353553433. The reversal of 201353553396 is 693355353102.

201353553396 is a `hidden beast` number, since 2 + 0 + 1 + 3 + 5 + 3 + 553 + 3 + 96 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1220340 + ... + 1375476.

Almost surely, 2^201353553396 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201353553396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (262925400192).

201353553396 is an abundant number, since it is smaller than the sum of its proper divisors (324497246988).

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

201353553396 is a wasteful number, since it uses less digits than its factorization.

201353553396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156341 (or 156336 counting only the distinct ones).

The product of its (nonzero) digits is 1093500, while the sum is 45.

The spelling of 201353553396 in words is "two hundred one billion, three hundred fifty-three million, five hundred fifty-three thousand, three hundred ninety-six".