18152194100 has 18 divisors (see below), whose sum is σ = 39390261414. Its totient is φ = 7260877600.

The previous prime is 18152194097. The next prime is 18152194127. The reversal of 18152194100 is 149125181.

It can be written as a sum of positive squares in 3 ways, for example, as 64096036 + 18088098064 = 8006^2 + 134492^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 90760871 + ... + 90761070.

Almost surely, 2^18152194100 is an apocalyptic number.

18152194100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18152194100 is an abundant number, since it is smaller than the sum of its proper divisors (21238067314).

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

18152194100 is a wasteful number, since it uses less digits than its factorization.

18152194100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181521955 (or 181521948 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 32.

The spelling of 18152194100 in words is "eighteen billion, one hundred fifty-two million, one hundred ninety-four thousand, one hundred".