65116842 has 16 divisors (see below), whose sum is σ = 148838592. Its totient is φ = 18604800.

The previous prime is 65116789. The next prime is 65116847. The reversal of 65116842 is 24861156.

It is a super-2 number, since 2×65116842² = 8480406224105928, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (65116847) 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, 775159 + ... + 775242.

It is an arithmetic number, because the mean of its divisors is an integer number (9302412).

Almost surely, 2^65116842 is an apocalyptic number.

65116842 is an abundant number, since it is smaller than the sum of its proper divisors (83721750).

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

65116842 is a wasteful number, since it uses less digits than its factorization.

65116842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1550413.

The product of its digits is 11520, while the sum is 33.

The square root of 65116842 is about 8069.5007280500. The cubic root of 65116842 is about 402.3133494111.

Adding to 65116842 its reverse (24861156), we get a palindrome (89977998).

The spelling of 65116842 in words is "sixty-five million, one hundred sixteen thousand, eight hundred forty-two".