2163950654 has 16 divisors (see below), whose sum is σ = 3280821840. Its totient is φ = 1070361600.

The previous prime is 2163950651. The next prime is 2163950671. The reversal of 2163950654 is 4560593612.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2163950651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280817 + ... + 288419.

It is an arithmetic number, because the mean of its divisors is an integer number (205051365).

Almost surely, 2^2163950654 is an apocalyptic number.

2163950654 is a deficient number, since it is larger than the sum of its proper divisors (1116871186).

2163950654 is a wasteful number, since it uses less digits than its factorization.

2163950654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9115.

The product of its (nonzero) digits is 194400, while the sum is 41.

The square root of 2163950654 is about 46518.2830078669. The cubic root of 2163950654 is about 1293.4484290322.

The spelling of 2163950654 in words is "two billion, one hundred sixty-three million, nine hundred fifty thousand, six hundred fifty-four".