208051186490241 has 16 divisors (see below), whose sum is σ = 281309765142528. Its totient is φ = 136746714952400.

The previous prime is 208051186490083. The next prime is 208051186490341. The reversal of 208051186490241 is 142094681150802.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 208051186490241 - 2¹⁷ = 208051186359169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (208051186490341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55764226 + ... + 59378036.

It is an arithmetic number, because the mean of its divisors is an integer number (17581860321408).

Almost surely, 2^{208051186490241} is an apocalyptic number.

It is an amenable number.

208051186490241 is a deficient number, since it is larger than the sum of its proper divisors (73258578652287).

208051186490241 is a wasteful number, since it uses less digits than its factorization.

208051186490241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3884172.

The product of its (nonzero) digits is 1105920, while the sum is 51.

The spelling of 208051186490241 in words is "two hundred eight trillion, fifty-one billion, one hundred eighty-six million, four hundred ninety thousand, two hundred forty-one".