16388761929 has 16 divisors (see below), whose sum is σ = 22445052672. Its totient is φ = 10633086288.

The previous prime is 16388761901. The next prime is 16388761979. The reversal of 16388761929 is 92916788361.

It is not a de Polignac number, because 16388761929 - 2¹⁷ = 16388630857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16388761979) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 474499 + ... + 507864.

It is an arithmetic number, because the mean of its divisors is an integer number (1402815792).

Almost surely, 2^16388761929 is an apocalyptic number.

It is an amenable number.

16388761929 is a deficient number, since it is larger than the sum of its proper divisors (6056290743).

16388761929 is an equidigital number, since it uses as much as digits as its factorization.

16388761929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982516.

The product of its digits is 7838208, while the sum is 60.

The spelling of 16388761929 in words is "sixteen billion, three hundred eighty-eight million, seven hundred sixty-one thousand, nine hundred twenty-nine".