16052777645 has 4 divisors (see below), whose sum is σ = 19263333180. Its totient is φ = 12842222112.

The previous prime is 16052777621. The next prime is 16052777669. The reversal of 16052777645 is 54677725061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54677725061 = 37 ⋅1477776353.

It is an interprime number because it is at equal distance from previous prime (16052777621) and next prime (16052777669).

It can be written as a sum of positive squares in 2 ways, for example, as 6263456164 + 9789321481 = 79142^2 + 98941^2 .

It is a cyclic number.

It is not a de Polignac number, because 16052777645 - 2¹⁴ = 16052761261 is a prime.

It is a super-3 number, since 3×16052777645³ (a number of 32 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16052777593 and 16052777602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1605277760 + ... + 1605277769.

It is an arithmetic number, because the mean of its divisors is an integer number (4815833295).

Almost surely, 2^16052777645 is an apocalyptic number.

It is an amenable number.

16052777645 is a deficient number, since it is larger than the sum of its proper divisors (3210555535).

16052777645 is an equidigital number, since it uses as much as digits as its factorization.

16052777645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3210555534.

The product of its (nonzero) digits is 2469600, while the sum is 50.

The spelling of 16052777645 in words is "sixteen billion, fifty-two million, seven hundred seventy-seven thousand, six hundred forty-five".