208506236054 has 16 divisors (see below), whose sum is σ = 313116814080. Its totient is φ = 104134006440.

The previous prime is 208506236051. The next prime is 208506236069. The reversal of 208506236054 is 450632605802.

It is a happy number.

208506236054 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208506236051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20657549 + ... + 20667639.

It is an arithmetic number, because the mean of its divisors is an integer number (19569800880).

Almost surely, 2^208506236054 is an apocalyptic number.

208506236054 is a deficient number, since it is larger than the sum of its proper divisors (104610578026).

208506236054 is a wasteful number, since it uses less digits than its factorization.

208506236054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20875.

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 208506236054 in words is "two hundred eight billion, five hundred six million, two hundred thirty-six thousand, fifty-four".