2161683006 has 16 divisors (see below), whose sum is σ = 4940989824. Its totient is φ = 617623704.

The previous prime is 2161682989. The next prime is 2161683077. The reversal of 2161683006 is 6003861612.

It is a congruent number.

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, 25734280 + ... + 25734363.

It is an arithmetic number, because the mean of its divisors is an integer number (308811864).

Almost surely, 2^2161683006 is an apocalyptic number.

2161683006 is an abundant number, since it is smaller than the sum of its proper divisors (2779306818).

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

2161683006 is a wasteful number, since it uses less digits than its factorization.

2161683006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51468655.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 2161683006 is about 46493.9028905942. The cubic root of 2161683006 is about 1292.9964607951.

The spelling of 2161683006 in words is "two billion, one hundred sixty-one million, six hundred eighty-three thousand, six".