2190614668 has 24 divisors (see below), whose sum is σ = 4363914240. Its totient is φ = 952440720.

The previous prime is 2190614653. The next prime is 2190614669. The reversal of 2190614668 is 8664160912.

It is not an unprimeable number, because it can be changed into a prime (2190614669) 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, 1081308 + ... + 1083331.

It is an arithmetic number, because the mean of its divisors is an integer number (181829760).

Almost surely, 2^2190614668 is an apocalyptic number.

It is an amenable number.

2190614668 is a deficient number, since it is larger than the sum of its proper divisors (2173299572).

2190614668 is a wasteful number, since it uses less digits than its factorization.

2190614668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2164677 (or 2164675 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 2190614668 is about 46804.0026920775. The cubic root of 2190614668 is about 1298.7393435721.

It can be divided in two parts, 219061 and 4668, that added together give a square (223729 = 473²).

The spelling of 2190614668 in words is "two billion, one hundred ninety million, six hundred fourteen thousand, six hundred sixty-eight".