65420118 has 24 divisors (see below), whose sum is σ = 143688168. Its totient is φ = 21507552.

The previous prime is 65420093. The next prime is 65420129. The reversal of 65420118 is 81102456.

65420118 is a `hidden beast` number, since 6 + 542 + 0 + 118 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 65420091 and 65420100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23580 + ... + 26207.

It is an arithmetic number, because the mean of its divisors is an integer number (5987007).

Almost surely, 2^65420118 is an apocalyptic number.

65420118 is an abundant number, since it is smaller than the sum of its proper divisors (78268050).

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

65420118 is a wasteful number, since it uses less digits than its factorization.

65420118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49868 (or 49865 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 65420118 is about 8088.2703960736. The cubic root of 65420118 is about 402.9369620237.

The spelling of 65420118 in words is "sixty-five million, four hundred twenty thousand, one hundred eighteen".