18700141933648 has 40 divisors (see below), whose sum is σ = 41416875436032. Its totient is φ = 8012523646848.

The previous prime is 18700141933643. The next prime is 18700141933651. The reversal of 18700141933648 is 84633914100781.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18700141933643) 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, 18493840 + ... + 19478767.

Almost surely, 2^{18700141933648} is an apocalyptic number.

It is an amenable number.

18700141933648 is an abundant number, since it is smaller than the sum of its proper divisors (22716733502384).

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

18700141933648 is a wasteful number, since it uses less digits than its factorization.

18700141933648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37977019 (or 37977013 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 55.

The spelling of 18700141933648 in words is "eighteen trillion, seven hundred billion, one hundred forty-one million, nine hundred thirty-three thousand, six hundred forty-eight".