16345897888508 has 6 divisors (see below), whose sum is σ = 28605321304896. Its totient is φ = 8172948944252.

The previous prime is 16345897888501. The next prime is 16345897888517. The reversal of 16345897888508 is 80588879854361.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16345897888501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2043237236060 + ... + 2043237236067.

It is an arithmetic number, because the mean of its divisors is an integer number (4767553550816).

Almost surely, 2^{16345897888508} is an apocalyptic number.

It is an amenable number.

16345897888508 is a deficient number, since it is larger than the sum of its proper divisors (12259423416388).

16345897888508 is a wasteful number, since it uses less digits than its factorization.

16345897888508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4086474472131 (or 4086474472129 counting only the distinct ones).

The product of its (nonzero) digits is 3715891200, while the sum is 80.

The spelling of 16345897888508 in words is "sixteen trillion, three hundred forty-five billion, eight hundred ninety-seven million, eight hundred eighty-eight thousand, five hundred eight".