16625489395 has 8 divisors (see below), whose sum is σ = 20818004256. Its totient is φ = 12722113536.

The previous prime is 16625489393. The next prime is 16625489509. The reversal of 16625489395 is 59398452661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16625489395 - 2¹ = 16625489393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16625489393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72284622 + ... + 72284851.

It is an arithmetic number, because the mean of its divisors is an integer number (2602250532).

Almost surely, 2^16625489395 is an apocalyptic number.

16625489395 is a deficient number, since it is larger than the sum of its proper divisors (4192514861).

16625489395 is a wasteful number, since it uses less digits than its factorization.

16625489395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144569501.

The product of its digits is 13996800, while the sum is 58.

The spelling of 16625489395 in words is "sixteen billion, six hundred twenty-five million, four hundred eighty-nine thousand, three hundred ninety-five".