3618156181000 has 64 divisors (see below), whose sum is σ = 8663380577280. Its totient is φ = 1413605188800.

The previous prime is 3618156180943. The next prime is 3618156181009. The reversal of 3618156181000 is 1816518163.

3618156181000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3618156181000² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (3618156181009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42028584 + ... + 42114583.

It is an arithmetic number, because the mean of its divisors is an integer number (135365321520).

Almost surely, 2^{3618156181000} is an apocalyptic number.

It is an amenable number.

3618156181000 is an abundant number, since it is smaller than the sum of its proper divisors (5045224396280).

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

3618156181000 is a wasteful number, since it uses less digits than its factorization.

3618156181000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84143231 (or 84143217 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 40.

The spelling of 3618156181000 in words is "three trillion, six hundred eighteen billion, one hundred fifty-six million, one hundred eighty-one thousand".