19145864067116 has 24 divisors (see below), whose sum is σ = 35472562290480. Its totient is φ = 9016670993472.

The previous prime is 19145864067107. The next prime is 19145864067131. The reversal of 19145864067116 is 61176046854191.

It is a super-2 number, since 2×19145864067116² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 728077211 + ... + 728103506.

It is an arithmetic number, because the mean of its divisors is an integer number (1478023428770).

Almost surely, 2^{19145864067116} is an apocalyptic number.

It is an amenable number.

19145864067116 is a deficient number, since it is larger than the sum of its proper divisors (16326698223364).

19145864067116 is a wasteful number, since it uses less digits than its factorization.

19145864067116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456180913 (or 1456180911 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 59.

The spelling of 19145864067116 in words is "nineteen trillion, one hundred forty-five billion, eight hundred sixty-four million, sixty-seven thousand, one hundred sixteen".