18246767416 has 8 divisors (see below), whose sum is σ = 34212688920. Its totient is φ = 9123383704.

The previous prime is 18246767411. The next prime is 18246767419. The reversal of 18246767416 is 61476764281.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×18246767416² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18246767411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1140422956 + ... + 1140422971.

It is an arithmetic number, because the mean of its divisors is an integer number (4276586115).

Almost surely, 2^18246767416 is an apocalyptic number.

It is an amenable number.

18246767416 is a deficient number, since it is larger than the sum of its proper divisors (15965921504).

18246767416 is a wasteful number, since it uses less digits than its factorization.

18246767416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2280845933 (or 2280845929 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 52.

The spelling of 18246767416 in words is "eighteen billion, two hundred forty-six million, seven hundred sixty-seven thousand, four hundred sixteen".