216030042625 has 32 divisors (see below), whose sum is σ = 271918876320. Its totient is φ = 171344332800.

The previous prime is 216030042619. The next prime is 216030042629. The reversal of 216030042625 is 526240030612.

It can be written as a sum of positive squares in 16 ways, for example, as 93804988176 + 122225054449 = 306276^2 + 349607^2 .

It is not a de Polignac number, because 216030042625 - 2⁵ = 216030042593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (216030042629) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14189017 + ... + 14204233.

It is an arithmetic number, because the mean of its divisors is an integer number (8497464885).

Almost surely, 2^216030042625 is an apocalyptic number.

216030042625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

216030042625 is a deficient number, since it is larger than the sum of its proper divisors (55888833695).

216030042625 is a wasteful number, since it uses less digits than its factorization.

216030042625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16198 (or 16188 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The spelling of 216030042625 in words is "two hundred sixteen billion, thirty million, forty-two thousand, six hundred twenty-five".