201655542695 has 4 divisors (see below), whose sum is σ = 241986651240. Its totient is φ = 161324434152.

The previous prime is 201655542691. The next prime is 201655542731. The reversal of 201655542695 is 596245556102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201655542695 - 2² = 201655542691 is a prime.

It is a super-2 number, since 2×201655542695² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201655542691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20165554265 + ... + 20165554274.

It is an arithmetic number, because the mean of its divisors is an integer number (60496662810).

Almost surely, 2^201655542695 is an apocalyptic number.

201655542695 is a deficient number, since it is larger than the sum of its proper divisors (40331108545).

201655542695 is an equidigital number, since it uses as much as digits as its factorization.

201655542695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40331108544.

The product of its (nonzero) digits is 3240000, while the sum is 50.

The spelling of 201655542695 in words is "two hundred one billion, six hundred fifty-five million, five hundred forty-two thousand, six hundred ninety-five".