918771140164 has 24 divisors (see below), whose sum is σ = 1632420983648. Its totient is φ = 452369966400.

The previous prime is 918771140149. The next prime is 918771140167. The reversal of 918771140164 is 461041177819.

It is not an unprimeable number, because it can be changed into a prime (918771140167) 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, 162832 + ... + 1365304.

Almost surely, 2^918771140164 is an apocalyptic number.

It is an amenable number.

918771140164 is a deficient number, since it is larger than the sum of its proper divisors (713649843484).

918771140164 is a wasteful number, since it uses less digits than its factorization.

918771140164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1205395 (or 1205393 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 49.

The spelling of 918771140164 in words is "nine hundred eighteen billion, seven hundred seventy-one million, one hundred forty thousand, one hundred sixty-four".