16836305625 has 50 divisors (see below), whose sum is σ = 31428197570. Its totient is φ = 8979336000.

The previous prime is 16836305543. The next prime is 16836305653. The reversal of 16836305625 is 52650363861.

16836305625 is a `hidden beast` number, since 1 + 6 + 8 + 3 + 630 + 5 + 6 + 2 + 5 = 666.

It can be written as a sum of positive squares in 5 ways, for example, as 9593614809 + 7242690816 = 97947^2 + 85104^2 .

It is not a de Polignac number, because 16836305625 - 2¹² = 16836301529 is a prime.

It is a super-2 number, since 2×16836305625² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 49 ways as a sum of consecutive naturals, for example, 115660 + ... + 216909.

Almost surely, 2^16836305625 is an apocalyptic number.

16836305625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16836305625 is a deficient number, since it is larger than the sum of its proper divisors (14591891945).

16836305625 is an frugal number, since it uses more digits than its factorization.

16836305625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332601 (or 332577 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The spelling of 16836305625 in words is "sixteen billion, eight hundred thirty-six million, three hundred five thousand, six hundred twenty-five".