216141494 has 8 divisors (see below), whose sum is σ = 332974848. Its totient is φ = 105149880.

The previous prime is 216141491. The next prime is 216141509. The reversal of 216141494 is 494141612.

216141494 is digitally balanced in base 2, 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 an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 216141494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216141491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1460342 + ... + 1460489.

It is an arithmetic number, because the mean of its divisors is an integer number (41621856).

Almost surely, 2^216141494 is an apocalyptic number.

216141494 is a deficient number, since it is larger than the sum of its proper divisors (116833354).

216141494 is a wasteful number, since it uses less digits than its factorization.

216141494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2920870.

The product of its digits is 6912, while the sum is 32.

The square root of 216141494 is about 14701.7513922662. The cubic root of 216141494 is about 600.1309843660.

The spelling of 216141494 in words is "two hundred sixteen million, one hundred forty-one thousand, four hundred ninety-four".