201016651361 has 4 divisors (see below), whose sum is σ = 209756505792. Its totient is φ = 192276796932.

The previous prime is 201016651291. The next prime is 201016651373. The reversal of 201016651361 is 163156610102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 201016651361 - 2¹⁰ = 201016650337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201016653361) 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, 4369927181 + ... + 4369927226.

It is an arithmetic number, because the mean of its divisors is an integer number (52439126448).

Almost surely, 2^201016651361 is an apocalyptic number.

It is an amenable number.

201016651361 is a deficient number, since it is larger than the sum of its proper divisors (8739854431).

201016651361 is an equidigital number, since it uses as much as digits as its factorization.

201016651361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8739854430.

The product of its (nonzero) digits is 6480, while the sum is 32.

The spelling of 201016651361 in words is "two hundred one billion, sixteen million, six hundred fifty-one thousand, three hundred sixty-one".