2161677614 has 8 divisors (see below), whose sum is σ = 3413175240. Its totient is φ = 1023952536.

The previous prime is 2161677611. The next prime is 2161677667. The reversal of 2161677614 is 4167761612.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2161677611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28443089 + ... + 28443164.

It is an arithmetic number, because the mean of its divisors is an integer number (426646905).

Almost surely, 2^2161677614 is an apocalyptic number.

2161677614 is a deficient number, since it is larger than the sum of its proper divisors (1251497626).

2161677614 is a wasteful number, since it uses less digits than its factorization.

2161677614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56886274.

The product of its digits is 84672, while the sum is 41.

The square root of 2161677614 is about 46493.8449044602. The cubic root of 2161677614 is about 1292.9953857311.

The spelling of 2161677614 in words is "two billion, one hundred sixty-one million, six hundred seventy-seven thousand, six hundred fourteen".