216054742 has 16 divisors (see below), whose sum is σ = 329211792. Its totient is φ = 106323840.

The previous prime is 216054739. The next prime is 216054767. The reversal of 216054742 is 247450612.

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, 84442 + ... + 86962.

It is an arithmetic number, because the mean of its divisors is an integer number (20575737).

Almost surely, 2^216054742 is an apocalyptic number.

216054742 is a deficient number, since it is larger than the sum of its proper divisors (113157050).

216054742 is a wasteful number, since it uses less digits than its factorization.

216054742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3183.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 216054742 is about 14698.8006993768. The cubic root of 216054742 is about 600.0506827557.

The spelling of 216054742 in words is "two hundred sixteen million, fifty-four thousand, seven hundred forty-two".