16453561051 has 4 divisors (see below), whose sum is σ = 16506466704. Its totient is φ = 16400655400.

The previous prime is 16453561039. The next prime is 16453561067. The reversal of 16453561051 is 15016535461.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16453561051 - 2²⁷ = 16319343323 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16453561051.

It is not an unprimeable number, because it can be changed into a prime (16453561001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26452360 + ... + 26452981.

It is an arithmetic number, because the mean of its divisors is an integer number (4126616676).

Almost surely, 2^16453561051 is an apocalyptic number.

16453561051 is a deficient number, since it is larger than the sum of its proper divisors (52905653).

16453561051 is an equidigital number, since it uses as much as digits as its factorization.

16453561051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52905652.

The product of its (nonzero) digits is 54000, while the sum is 37.

The spelling of 16453561051 in words is "sixteen billion, four hundred fifty-three million, five hundred sixty-one thousand, fifty-one".