65020416 has 40 divisors (see below), whose sum is σ = 173222544. Its totient is φ = 21672960.

The previous prime is 65020381. The next prime is 65020421. The reversal of 65020416 is 61402056.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19630 + ... + 22701.

Almost surely, 2^65020416 is an apocalyptic number.

It is an amenable number.

65020416 is an abundant number, since it is smaller than the sum of its proper divisors (108202128).

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

65020416 is an equidigital number, since it uses as much as digits as its factorization.

65020416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42352 (or 42336 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 65020416 is about 8063.5237954631. The cubic root of 65020416 is about 402.1146674201.

The spelling of 65020416 in words is "sixty-five million, twenty thousand, four hundred sixteen".