216097372 has 6 divisors (see below), whose sum is σ = 378170408. Its totient is φ = 108048684.

The previous prime is 216097337. The next prime is 216097381. The reversal of 216097372 is 273790612.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 27012168 + ... + 27012175.

Almost surely, 2^216097372 is an apocalyptic number.

It is an amenable number.

216097372 is a deficient number, since it is larger than the sum of its proper divisors (162073036).

216097372 is a wasteful number, since it uses less digits than its factorization.

216097372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54024347 (or 54024345 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 216097372 is about 14700.2507461608. The cubic root of 216097372 is about 600.0901457148.

The spelling of 216097372 in words is "two hundred sixteen million, ninety-seven thousand, three hundred seventy-two".