16367364225 has 45 divisors (see below), whose sum is σ = 30328684243. Its totient is φ = 8726190480.

The previous prime is 16367364217. The next prime is 16367364253. The reversal of 16367364225 is 52246376361.

The square root of 16367364225 is 127935.

It is a perfect power (a square), and thus also a powerful number.

16367364225 is a `hidden beast` number, since 1 + 6 + 3 + 67 + 364 + 225 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5892251121 + 10475113104 = 76761^2 + 102348^2 .

It is a tau number, because it is divible by the number of its divisors (45).

It is not a de Polignac number, because 16367364225 - 2³ = 16367364217 is a prime.

It is a super-2 number, since 2×16367364225² (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 a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 5755654 + ... + 5758496.

Almost surely, 2^16367364225 is an apocalyptic number.

16367364225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16367364225 is the 127935-th square number.

16367364225 is the 63968-th centered octagonal number.

It is an amenable number.

16367364225 is a deficient number, since it is larger than the sum of its proper divisors (13961320018).

16367364225 is an frugal number, since it uses more digits than its factorization.

16367364225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5708 (or 2851 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 45.

It can be divided in two parts, 1636736 and 4225, that added together give a square (1640961 = 1281²).

The spelling of 16367364225 in words is "sixteen billion, three hundred sixty-seven million, three hundred sixty-four thousand, two hundred twenty-five".