16477455050425 has 6 divisors (see below), whose sum is σ = 20432044262558. Its totient is φ = 13181964040320.

The previous prime is 16477455050393. The next prime is 16477455050429. The reversal of 16477455050425 is 52405055477461.

It can be written as a sum of positive squares in 3 ways, for example, as 1906233080896 + 14571221969529 = 1380664^2 + 3817227^2 .

It is not a de Polignac number, because 16477455050425 - 2⁵ = 16477455050393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16477455050429) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 329549100984 + ... + 329549101033.

Almost surely, 2^{16477455050425} is an apocalyptic number.

It is an amenable number.

16477455050425 is a deficient number, since it is larger than the sum of its proper divisors (3954589212133).

16477455050425 is an equidigital number, since it uses as much as digits as its factorization.

16477455050425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659098202027 (or 659098202022 counting only the distinct ones).

The product of its (nonzero) digits is 23520000, while the sum is 55.

The spelling of 16477455050425 in words is "sixteen trillion, four hundred seventy-seven billion, four hundred fifty-five million, fifty thousand, four hundred twenty-five".