201495604218 has 16 divisors (see below), whose sum is σ = 402995873376. Its totient is φ = 67164423920.

The previous prime is 201495604199. The next prime is 201495604223. The reversal of 201495604218 is 812406594102.

It is a self number, because there is not a number n which added to its sum of digits gives 201495604218.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 647905 + ... + 907067.

It is an arithmetic number, because the mean of its divisors is an integer number (25187242086).

Almost surely, 2^201495604218 is an apocalyptic number.

201495604218 is an abundant number, since it is smaller than the sum of its proper divisors (201500269158).

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

201495604218 is a wasteful number, since it uses less digits than its factorization.

201495604218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388749.

The product of its (nonzero) digits is 138240, while the sum is 42.

The spelling of 201495604218 in words is "two hundred one billion, four hundred ninety-five million, six hundred four thousand, two hundred eighteen".