16126534461 has 4 divisors (see below), whose sum is σ = 21502045952. Its totient is φ = 10751022972.

The previous prime is 16126534451. The next prime is 16126534477. The reversal of 16126534461 is 16443562161.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 16126534461 - 2²³ = 16118145853 is a prime.

It is a super-2 number, since 2×16126534461² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16126534421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2687755741 + ... + 2687755746.

It is an arithmetic number, because the mean of its divisors is an integer number (5375511488).

Almost surely, 2^16126534461 is an apocalyptic number.

It is an amenable number.

16126534461 is a deficient number, since it is larger than the sum of its proper divisors (5375511491).

16126534461 is an equidigital number, since it uses as much as digits as its factorization.

16126534461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5375511490.

The product of its digits is 103680, while the sum is 39.

The spelling of 16126534461 in words is "sixteen billion, one hundred twenty-six million, five hundred thirty-four thousand, four hundred sixty-one".