16125021326 has 8 divisors (see below), whose sum is σ = 24493703520. Its totient is φ = 7960453488.

The previous prime is 16125021317. The next prime is 16125021331. The reversal of 16125021326 is 62312052161.

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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51028391 + ... + 51028706.

It is an arithmetic number, because the mean of its divisors is an integer number (3061712940).

Almost surely, 2^16125021326 is an apocalyptic number.

16125021326 is a deficient number, since it is larger than the sum of its proper divisors (8368682194).

16125021326 is a wasteful number, since it uses less digits than its factorization.

16125021326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102057178.

The product of its (nonzero) digits is 4320, while the sum is 29.

Adding to 16125021326 its reverse (62312052161), we get a palindrome (78437073487).

The spelling of 16125021326 in words is "sixteen billion, one hundred twenty-five million, twenty-one thousand, three hundred twenty-six".