201688264351 has 8 divisors (see below), whose sum is σ = 230531638400. Its totient is φ = 172852581528.

The previous prime is 201688264313. The next prime is 201688264369. The reversal of 201688264351 is 153462886102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201688264351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201688264651) 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, 1866501 + ... + 1971598.

It is an arithmetic number, because the mean of its divisors is an integer number (28816454800).

Almost surely, 2^201688264351 is an apocalyptic number.

201688264351 is a deficient number, since it is larger than the sum of its proper divisors (28843374049).

201688264351 is an equidigital number, since it uses as much as digits as its factorization.

201688264351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3845613.

The product of its (nonzero) digits is 552960, while the sum is 46.

The spelling of 201688264351 in words is "two hundred one billion, six hundred eighty-eight million, two hundred sixty-four thousand, three hundred fifty-one".