16136924429 has 4 divisors (see below), whose sum is σ = 16296696060. Its totient is φ = 15977152800.

The previous prime is 16136924417. The next prime is 16136924431. The reversal of 16136924429 is 92442963161.

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 9705205225 + 6431719204 = 98515^2 + 80198^2 .

It is a cyclic number.

It is not a de Polignac number, because 16136924429 - 2⁴ = 16136924413 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 (16136924449) 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, 79885664 + ... + 79885865.

It is an arithmetic number, because the mean of its divisors is an integer number (4074174015).

Almost surely, 2^16136924429 is an apocalyptic number.

It is an amenable number.

16136924429 is a deficient number, since it is larger than the sum of its proper divisors (159771631).

16136924429 is a wasteful number, since it uses less digits than its factorization.

16136924429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159771630.

The product of its digits is 559872, while the sum is 47.

The spelling of 16136924429 in words is "sixteen billion, one hundred thirty-six million, nine hundred twenty-four thousand, four hundred twenty-nine".