18233722162964 has 144 divisors (see below), whose sum is σ = 41545548777600. Its totient is φ = 6919944192000.

The previous prime is 18233722162949. The next prime is 18233722162967. The reversal of 18233722162964 is 46926122733281.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18233722162967) 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 in 47 ways as a sum of consecutive naturals, for example, 56500937 + ... + 56822735.

It is an arithmetic number, because the mean of its divisors is an integer number (288510755400).

Almost surely, 2^{18233722162964} is an apocalyptic number.

18233722162964 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18233722162964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20772774388800).

18233722162964 is an abundant number, since it is smaller than the sum of its proper divisors (23311826614636).

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

18233722162964 is a wasteful number, since it uses less digits than its factorization.

18233722162964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322510 (or 322501 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 56.

The spelling of 18233722162964 in words is "eighteen trillion, two hundred thirty-three billion, seven hundred twenty-two million, one hundred sixty-two thousand, nine hundred sixty-four".