16614525225 has 48 divisors (see below), whose sum is σ = 27690227712. Its totient is φ = 8790058560.

The previous prime is 16614525223. The next prime is 16614525229. The reversal of 16614525225 is 52252541661.

It is not a de Polignac number, because 16614525225 - 2¹ = 16614525223 is a prime.

It is a super-2 number, since 2×16614525225² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16614525223) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8052544 + ... + 8054606.

It is an arithmetic number, because the mean of its divisors is an integer number (576879744).

Almost surely, 2^16614525225 is an apocalyptic number.

16614525225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16614525225 is a deficient number, since it is larger than the sum of its proper divisors (11075702487).

16614525225 is a wasteful number, since it uses less digits than its factorization.

16614525225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2886 (or 2881 counting only the distinct ones).

The product of its digits is 144000, while the sum is 39.

The spelling of 16614525225 in words is "sixteen billion, six hundred fourteen million, five hundred twenty-five thousand, two hundred twenty-five".