2106436897560 has 64 divisors (see below), whose sum is σ = 6413628787200. Its totient is φ = 553332675456.

The previous prime is 2106436897451. The next prime is 2106436897601. The reversal of 2106436897560 is 657986346012.

It is a self number, because there is not a number n which added to its sum of digits gives 2106436897560.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130989280 + ... + 131005359.

It is an arithmetic number, because the mean of its divisors is an integer number (100212949800).

It is a 1-persistent number, because it is pandigital, but 2⋅2106436897560 = 4212873795120 is not.

Almost surely, 2^{2106436897560} is an apocalyptic number.

2106436897560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2106436897560 is an abundant number, since it is smaller than the sum of its proper divisors (4307191889640).

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

2106436897560 is a wasteful number, since it uses less digits than its factorization.

2106436897560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261994720 (or 261994716 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 57.

The spelling of 2106436897560 in words is "two trillion, one hundred six billion, four hundred thirty-six million, eight hundred ninety-seven thousand, five hundred sixty".