2651216664103 has 4 divisors (see below), whose sum is σ = 3029961901840. Its totient is φ = 2272471426368.

The previous prime is 2651216664079. The next prime is 2651216664119. The reversal of 2651216664103 is 3014666121562.

2651216664103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2651216664103 - 2³³ = 2642626729511 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2651216664103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2651216664133) 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, 189372618858 + ... + 189372618871.

It is an arithmetic number, because the mean of its divisors is an integer number (757490475460).

Almost surely, 2^{2651216664103} is an apocalyptic number.

2651216664103 is a deficient number, since it is larger than the sum of its proper divisors (378745237737).

2651216664103 is an equidigital number, since it uses as much as digits as its factorization.

2651216664103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378745237736.

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 2651216664103 in words is "two trillion, six hundred fifty-one billion, two hundred sixteen million, six hundred sixty-four thousand, one hundred three".