216013774 has 16 divisors (see below), whose sum is σ = 341913600. Its totient is φ = 102070584.

The previous prime is 216013757. The next prime is 216013801. The reversal of 216013774 is 477310612.

216013774 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9139 + ... + 22705.

It is an arithmetic number, because the mean of its divisors is an integer number (21369600).

Almost surely, 2^216013774 is an apocalyptic number.

216013774 is a deficient number, since it is larger than the sum of its proper divisors (125899826).

216013774 is a wasteful number, since it uses less digits than its factorization.

216013774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14007.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 216013774 is about 14697.4070502249. The cubic root of 216013774 is about 600.0127534326.

The spelling of 216013774 in words is "two hundred sixteen million, thirteen thousand, seven hundred seventy-four".