18037477141 has 8 divisors (see below), whose sum is σ = 18162936000. Its totient is φ = 17912097600.

The previous prime is 18037477093. The next prime is 18037477163. The reversal of 18037477141 is 14177473081.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18037477141 is a prime.

It is a super-2 number, since 2×18037477141² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18037471141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 480045 + ... + 516253.

It is an arithmetic number, because the mean of its divisors is an integer number (2270367000).

Almost surely, 2^18037477141 is an apocalyptic number.

It is an amenable number.

18037477141 is a deficient number, since it is larger than the sum of its proper divisors (125458859).

18037477141 is a wasteful number, since it uses less digits than its factorization.

18037477141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39659.

The product of its (nonzero) digits is 131712, while the sum is 43.

The spelling of 18037477141 in words is "eighteen billion, thirty-seven million, four hundred seventy-seven thousand, one hundred forty-one".