2161106676 has 48 divisors (see below), whose sum is σ = 5647022080. Its totient is φ = 714692160.

The previous prime is 2161106659. The next prime is 2161106677. The reversal of 2161106676 is 6766011612.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2161106676.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2161106677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65065 + ... + 92496.

Almost surely, 2^2161106676 is an apocalyptic number.

It is an amenable number.

2161106676 is an abundant number, since it is smaller than the sum of its proper divisors (3485915404).

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

2161106676 is a wasteful number, since it uses less digits than its factorization.

2161106676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157701 (or 157693 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 2161106676 is about 46487.7045679823. The cubic root of 2161106676 is about 1292.8815412496.

The spelling of 2161106676 in words is "two billion, one hundred sixty-one million, one hundred six thousand, six hundred seventy-six".