16157432929 has 4 divisors (see below), whose sum is σ = 17626290480. Its totient is φ = 14688575380.

The previous prime is 16157432923. The next prime is 16157432939. The reversal of 16157432929 is 92923475161.

16157432929 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 16157432929 - 2¹⁹ = 16156908641 is a prime.

It is a super-2 number, since 2×16157432929² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16157432923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 734428759 + ... + 734428780.

It is an arithmetic number, because the mean of its divisors is an integer number (4406572620).

Almost surely, 2^16157432929 is an apocalyptic number.

It is an amenable number.

16157432929 is a deficient number, since it is larger than the sum of its proper divisors (1468857551).

16157432929 is a wasteful number, since it uses less digits than its factorization.

16157432929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1468857550.

The product of its digits is 816480, while the sum is 49.

The spelling of 16157432929 in words is "sixteen billion, one hundred fifty-seven million, four hundred thirty-two thousand, nine hundred twenty-nine".