642116114 has 8 divisors (see below), whose sum is σ = 963289020. Its totient is φ = 321019776.

The previous prime is 642116107. The next prime is 642116131. The reversal of 642116114 is 411611246.

It can be written as a sum of positive squares in 2 ways, for example, as 578643025 + 63473089 = 24055^2 + 7967^2 .

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

It is an unprimeable number.

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, 11882 + ... + 37754.

Almost surely, 2^642116114 is an apocalyptic number.

642116114 is a deficient number, since it is larger than the sum of its proper divisors (321172906).

642116114 is a wasteful number, since it uses less digits than its factorization.

642116114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38284.

The product of its digits is 1152, while the sum is 26.

The square root of 642116114 is about 25340.0101420658. The cubic root of 642116114 is about 862.7226289124.

The spelling of 642116114 in words is "six hundred forty-two million, one hundred sixteen thousand, one hundred fourteen".