2164551614 has 4 divisors (see below), whose sum is σ = 3246827424. Its totient is φ = 1082275806.

The previous prime is 2164551589. The next prime is 2164551617. The reversal of 2164551614 is 4161554612.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2164551617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 541137902 + ... + 541137905.

It is an arithmetic number, because the mean of its divisors is an integer number (811706856).

Almost surely, 2^2164551614 is an apocalyptic number.

2164551614 is a deficient number, since it is larger than the sum of its proper divisors (1082275810).

2164551614 is a wasteful number, since it uses less digits than its factorization.

2164551614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1082275809.

The product of its digits is 28800, while the sum is 35.

The square root of 2164551614 is about 46524.7419552221. The cubic root of 2164551614 is about 1293.5681543166.

The spelling of 2164551614 in words is "two billion, one hundred sixty-four million, five hundred fifty-one thousand, six hundred fourteen".