2100566161746 has 96 divisors (see below), whose sum is σ = 5060301442560. Its totient is φ = 625370803200.

The previous prime is 2100566161717. The next prime is 2100566161787. The reversal of 2100566161746 is 6471616650012.

2100566161746 is a `hidden beast` number, since 2 + 1 + 0 + 0 + 566 + 16 + 1 + 74 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48500361 + ... + 48543651.

It is an arithmetic number, because the mean of its divisors is an integer number (52711473360).

Almost surely, 2^{2100566161746} is an apocalyptic number.

2100566161746 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2100566161746, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2530150721280).

2100566161746 is an abundant number, since it is smaller than the sum of its proper divisors (2959735280814).

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

2100566161746 is a wasteful number, since it uses less digits than its factorization.

2100566161746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50032 (or 50029 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 2100566161746 in words is "two trillion, one hundred billion, five hundred sixty-six million, one hundred sixty-one thousand, seven hundred forty-six".