2106616161562 has 16 divisors (see below), whose sum is σ = 3475679261184. Its totient is φ = 957552799500.

The previous prime is 2106616161527. The next prime is 2106616161607. The reversal of 2106616161562 is 2651616166012.

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, 395680314 + ... + 395685637.

It is an arithmetic number, because the mean of its divisors is an integer number (217229953824).

Almost surely, 2^{2106616161562} is an apocalyptic number.

2106616161562 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2106616161562 is a deficient number, since it is larger than the sum of its proper divisors (1369063099622).

2106616161562 is an equidigital number, since it uses as much as digits as its factorization.

2106616161562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791365986 (or 791365964 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 43.

The spelling of 2106616161562 in words is "two trillion, one hundred six billion, six hundred sixteen million, one hundred sixty-one thousand, five hundred sixty-two".