18362746180 has 24 divisors (see below), whose sum is σ = 40830106968. Its totient is φ = 6913033728.

The previous prime is 18362746159. The next prime is 18362746189. The reversal of 18362746180 is 8164726381.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7752098116 + 10610648064 = 88046^2 + 103008^2 .

It is a super-2 number, since 2×18362746180² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 18362746180.

It is not an unprimeable number, because it can be changed into a prime (18362746189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27003699 + ... + 27004378.

It is an arithmetic number, because the mean of its divisors is an integer number (1701254457).

Almost surely, 2^18362746180 is an apocalyptic number.

18362746180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18362746180 is an abundant number, since it is smaller than the sum of its proper divisors (22467360788).

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

18362746180 is a wasteful number, since it uses less digits than its factorization.

18362746180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54008103 (or 54008101 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 46.

The spelling of 18362746180 in words is "eighteen billion, three hundred sixty-two million, seven hundred forty-six thousand, one hundred eighty".