16453572407357 has 4 divisors (see below), whose sum is σ = 16453744272060. Its totient is φ = 16453400542656.

The previous prime is 16453572407323. The next prime is 16453572407477. The reversal of 16453572407357 is 75370427535461.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12348940979236 + 4104631428121 = 3514106^2 + 2025989^2 .

It is a cyclic number.

It is not a de Polignac number, because 16453572407357 - 2³⁴ = 16436392538173 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16453572407296 and 16453572407305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16453572007357) 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, 85788668 + ... + 85980245.

It is an arithmetic number, because the mean of its divisors is an integer number (4113436068015).

Almost surely, 2^{16453572407357} is an apocalyptic number.

It is an amenable number.

16453572407357 is a deficient number, since it is larger than the sum of its proper divisors (171864703).

16453572407357 is an equidigital number, since it uses as much as digits as its factorization.

16453572407357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171864702.

The product of its (nonzero) digits is 74088000, while the sum is 59.

The spelling of 16453572407357 in words is "sixteen trillion, four hundred fifty-three billion, five hundred seventy-two million, four hundred seven thousand, three hundred fifty-seven".