18526253046 has 64 divisors (see below), whose sum is σ = 44098891776. Its totient is φ = 5077094400.

The previous prime is 18526253041. The next prime is 18526253099. The reversal of 18526253046 is 64035262581.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 18526252989 and 18526253007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18526253041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84166 + ... + 210086.

It is an arithmetic number, because the mean of its divisors is an integer number (689045184).

Almost surely, 2^18526253046 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18526253046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22049445888).

18526253046 is an abundant number, since it is smaller than the sum of its proper divisors (25572638730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18526253046 is a wasteful number, since it uses less digits than its factorization.

18526253046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126077.

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 18526253046 in words is "eighteen billion, five hundred twenty-six million, two hundred fifty-three thousand, forty-six".