16126504665 has 8 divisors (see below), whose sum is σ = 25802407488. Its totient is φ = 8600802480.

The previous prime is 16126504661. The next prime is 16126504711. The reversal of 16126504665 is 56640562161.

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

It is not a de Polignac number, because 16126504665 - 2² = 16126504661 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16126504661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 537550141 + ... + 537550170.

It is an arithmetic number, because the mean of its divisors is an integer number (3225300936).

Almost surely, 2^16126504665 is an apocalyptic number.

16126504665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16126504665 is a deficient number, since it is larger than the sum of its proper divisors (9675902823).

16126504665 is a wasteful number, since it uses less digits than its factorization.

16126504665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075100319.

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 16126504665 in words is "sixteen billion, one hundred twenty-six million, five hundred four thousand, six hundred sixty-five".