16696017825 has 24 divisors (see below), whose sum is σ = 28350143808. Its totient is φ = 8663878080.

The previous prime is 16696017823. The next prime is 16696017859. The reversal of 16696017825 is 52871069661.

It is not a de Polignac number, because 16696017825 - 2¹ = 16696017823 is a prime.

It is a super-2 number, since 2×16696017825² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16696017823) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3005517 + ... + 3011066.

It is an arithmetic number, because the mean of its divisors is an integer number (1181255992).

Almost surely, 2^16696017825 is an apocalyptic number.

16696017825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16696017825 is a deficient number, since it is larger than the sum of its proper divisors (11654125983).

16696017825 is a wasteful number, since it uses less digits than its factorization.

16696017825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6016633 (or 6016628 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 51.

The spelling of 16696017825 in words is "sixteen billion, six hundred ninety-six million, seventeen thousand, eight hundred twenty-five".