216092997 has 12 divisors (see below), whose sum is σ = 312274144. Its totient is φ = 143997480.

The previous prime is 216092993. The next prime is 216092999. The reversal of 216092997 is 799290612.

It is not a de Polignac number, because 216092997 - 2² = 216092993 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216092993) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24672 + ... + 32262.

Almost surely, 2^216092997 is an apocalyptic number.

It is an amenable number.

216092997 is a deficient number, since it is larger than the sum of its proper divisors (96181147).

216092997 is a wasteful number, since it uses less digits than its factorization.

216092997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10760 (or 10757 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The square root of 216092997 is about 14700.1019384221. The cubic root of 216092997 is about 600.0860959785.

The spelling of 216092997 in words is "two hundred sixteen million, ninety-two thousand, nine hundred ninety-seven".