216025374 has 16 divisors (see below), whose sum is σ = 432743040. Its totient is φ = 71893080.

The previous prime is 216025357. The next prime is 216025399. The reversal of 216025374 is 473520612.

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, 24744 + ... + 32315.

It is an arithmetic number, because the mean of its divisors is an integer number (27046440).

Almost surely, 2^216025374 is an apocalyptic number.

216025374 is an abundant number, since it is smaller than the sum of its proper divisors (216717666).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

216025374 is a wasteful number, since it uses less digits than its factorization.

216025374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57695.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 216025374 is about 14697.8016723590. The cubic root of 216025374 is about 600.0234935245.

Adding to 216025374 its reverse (473520612), we get a palindrome (689545986).

The spelling of 216025374 in words is "two hundred sixteen million, twenty-five thousand, three hundred seventy-four".