2106537436546 has 16 divisors (see below), whose sum is σ = 3163101875640. Its totient is φ = 1052170277760.

The previous prime is 2106537436519. The next prime is 2106537436559. The reversal of 2106537436546 is 6456347356012.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2106518418225 + 19018321 = 1451385^2 + 4361^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2106537436493 and 2106537436502.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53678860 + ... + 53718088.

Almost surely, 2^{2106537436546} is an apocalyptic number.

2106537436546 is a deficient number, since it is larger than the sum of its proper divisors (1056564439094).

2106537436546 is a wasteful number, since it uses less digits than its factorization.

2106537436546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66549.

The product of its (nonzero) digits is 10886400, while the sum is 52.

The spelling of 2106537436546 in words is "two trillion, one hundred six billion, five hundred thirty-seven million, four hundred thirty-six thousand, five hundred forty-six".