201655044543 has 32 divisors (see below), whose sum is σ = 290826269440. Its totient is φ = 123853950720.

The previous prime is 201655044529. The next prime is 201655044551. The reversal of 201655044543 is 345440556102.

It is not a de Polignac number, because 201655044543 - 2⁸ = 201655044287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201655044043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4166523 + ... + 4214643.

It is an arithmetic number, because the mean of its divisors is an integer number (9088320920).

Almost surely, 2^201655044543 is an apocalyptic number.

201655044543 is a deficient number, since it is larger than the sum of its proper divisors (89171224897).

201655044543 is a wasteful number, since it uses less digits than its factorization.

201655044543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50167.

The product of its (nonzero) digits is 288000, while the sum is 39.

The spelling of 201655044543 in words is "two hundred one billion, six hundred fifty-five million, forty-four thousand, five hundred forty-three".