16153541405 has 4 divisors (see below), whose sum is σ = 19384249692. Its totient is φ = 12922833120.

The previous prime is 16153541399. The next prime is 16153541407. The reversal of 16153541405 is 50414535161.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50414535161 = 95869 ⋅525869.

It can be written as a sum of positive squares in 2 ways, for example, as 5005138009 + 11148403396 = 70747^2 + 105586^2 .

It is not a de Polignac number, because 16153541405 - 2¹⁶ = 16153475869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16153541407) 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, 1615354136 + ... + 1615354145.

It is an arithmetic number, because the mean of its divisors is an integer number (4846062423).

Almost surely, 2^16153541405 is an apocalyptic number.

It is an amenable number.

16153541405 is a deficient number, since it is larger than the sum of its proper divisors (3230708287).

16153541405 is an equidigital number, since it uses as much as digits as its factorization.

16153541405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3230708286.

The product of its (nonzero) digits is 36000, while the sum is 35.

The spelling of 16153541405 in words is "sixteen billion, one hundred fifty-three million, five hundred forty-one thousand, four hundred five".