216177093 has 40 divisors (see below), whose sum is σ = 353834976. Its totient is φ = 130442400.

The previous prime is 216177061. The next prime is 216177103. The reversal of 216177093 is 390771612.

It is a happy number.

216177093 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 216177093 - 2⁵ = 216177061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216167093) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 294555 + ... + 295287.

Almost surely, 2^216177093 is an apocalyptic number.

It is an amenable number.

216177093 is a deficient number, since it is larger than the sum of its proper divisors (137657883).

216177093 is a wasteful number, since it uses less digits than its factorization.

216177093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087 (or 1078 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 36.

The square root of 216177093 is about 14702.9620485125. The cubic root of 216177093 is about 600.1639302074.

The spelling of 216177093 in words is "two hundred sixteen million, one hundred seventy-seven thousand, ninety-three".