2164961206 has 8 divisors (see below), whose sum is σ = 3250534824. Its totient is φ = 1081449600.

The previous prime is 2164961177. The next prime is 2164961221. The reversal of 2164961206 is 6021694612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 512875 + ... + 517078.

It is an arithmetic number, because the mean of its divisors is an integer number (406316853).

Almost surely, 2^2164961206 is an apocalyptic number.

2164961206 is a deficient number, since it is larger than the sum of its proper divisors (1085573618).

2164961206 is a wasteful number, since it uses less digits than its factorization.

2164961206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031006.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 2164961206 is about 46529.1436198862. The cubic root of 2164961206 is about 1293.6497419223.

The spelling of 2164961206 in words is "two billion, one hundred sixty-four million, nine hundred sixty-one thousand, two hundred six".