216140978614 has 8 divisors (see below), whose sum is σ = 353685237768. Its totient is φ = 98245899360.

The previous prime is 216140978533. The next prime is 216140978657. The reversal of 216140978614 is 416879041612.

216140978614 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4912294947 + ... + 4912294990.

It is an arithmetic number, because the mean of its divisors is an integer number (44210654721).

Almost surely, 2^216140978614 is an apocalyptic number.

216140978614 is a deficient number, since it is larger than the sum of its proper divisors (137544259154).

216140978614 is a wasteful number, since it uses less digits than its factorization.

216140978614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9824589950.

The product of its (nonzero) digits is 580608, while the sum is 49.

The spelling of 216140978614 in words is "two hundred sixteen billion, one hundred forty million, nine hundred seventy-eight thousand, six hundred fourteen".