18912460006 has 16 divisors (see below), whose sum is σ = 31137530688. Its totient is φ = 8543831400.

The previous prime is 18912459977. The next prime is 18912460009. The reversal of 18912460006 is 60006421981.

It is a happy number.

It is a super-2 number, since 2×18912460006² (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 (18912460009) 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, 2633400 + ... + 2640571.

It is an arithmetic number, because the mean of its divisors is an integer number (1946095668).

Almost surely, 2^18912460006 is an apocalyptic number.

18912460006 is a deficient number, since it is larger than the sum of its proper divisors (12225070682).

18912460006 is a wasteful number, since it uses less digits than its factorization.

18912460006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5274147.

The product of its (nonzero) digits is 20736, while the sum is 37.

Adding to 18912460006 its reverse (60006421981), we get a palindrome (78918881987).

The spelling of 18912460006 in words is "eighteen billion, nine hundred twelve million, four hundred sixty thousand, six".