16191358748 has 24 divisors (see below), whose sum is σ = 28549366272. Its totient is φ = 8034550064.

The previous prime is 16191358727. The next prime is 16191358787. The reversal of 16191358748 is 84785319161.

It is a super-2 number, since 2×16191358748² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16191358748.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 413465 + ... + 450927.

It is an arithmetic number, because the mean of its divisors is an integer number (1189556928).

Almost surely, 2^16191358748 is an apocalyptic number.

It is an amenable number.

16191358748 is a deficient number, since it is larger than the sum of its proper divisors (12358007524).

16191358748 is a wasteful number, since it uses less digits than its factorization.

16191358748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38281 (or 38279 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 53.

The spelling of 16191358748 in words is "sixteen billion, one hundred ninety-one million, three hundred fifty-eight thousand, seven hundred forty-eight".