201553116 has 24 divisors (see below), whose sum is σ = 471632784. Its totient is φ = 66992640.

The previous prime is 201553091. The next prime is 201553123. The reversal of 201553116 is 611355102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19555 + ... + 28026.

It is an arithmetic number, because the mean of its divisors is an integer number (19651366).

Almost surely, 2^201553116 is an apocalyptic number.

It is an amenable number.

201553116 is an abundant number, since it is smaller than the sum of its proper divisors (270079668).

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

201553116 is a wasteful number, since it uses less digits than its factorization.

201553116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47941 (or 47939 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 201553116 is about 14196.9403746018. The cubic root of 201553116 is about 586.3134255796.

The spelling of 201553116 in words is "two hundred one million, five hundred fifty-three thousand, one hundred sixteen".