16396921510 has 8 divisors (see below), whose sum is σ = 29514458736. Its totient is φ = 6558768600.

The previous prime is 16396921459. The next prime is 16396921531. The reversal of 16396921510 is 1512969361.

16396921510 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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, 819846066 + ... + 819846085.

It is an arithmetic number, because the mean of its divisors is an integer number (3689307342).

Almost surely, 2^16396921510 is an apocalyptic number.

16396921510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16396921510 is a deficient number, since it is larger than the sum of its proper divisors (13117537226).

16396921510 is a wasteful number, since it uses less digits than its factorization.

16396921510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1639692158.

The product of its (nonzero) digits is 87480, while the sum is 43.

The spelling of 16396921510 in words is "sixteen billion, three hundred ninety-six million, nine hundred twenty-one thousand, five hundred ten".