2103553116 has 36 divisors (see below), whose sum is σ = 6076931952. Its totient is φ = 601015104.

The previous prime is 2103553069. The next prime is 2103553117. The reversal of 2103553116 is 6113553012.

2103553116 is a `hidden beast` number, since 2 + 103 + 553 + 1 + 1 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2103553116.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103553117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4173465 + ... + 4173968.

Almost surely, 2^2103553116 is an apocalyptic number.

It is an amenable number.

2103553116 is an abundant number, since it is smaller than the sum of its proper divisors (3973378836).

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

2103553116 is a wasteful number, since it uses less digits than its factorization.

2103553116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8347450 (or 8347445 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 2103553116 is about 45864.5082389422. The cubic root of 2103553116 is about 1281.3009876168.

The spelling of 2103553116 in words is "two billion, one hundred three million, five hundred fifty-three thousand, one hundred sixteen".