65085646 has 4 divisors (see below), whose sum is σ = 97628472. Its totient is φ = 32542822.

The previous prime is 65085641. The next prime is 65085649. The reversal of 65085646 is 64658056.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×65085646² = 8472282630474632, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 65085599 and 65085608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65085641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16271410 + ... + 16271413.

It is an arithmetic number, because the mean of its divisors is an integer number (24407118).

Almost surely, 2^65085646 is an apocalyptic number.

65085646 is a deficient number, since it is larger than the sum of its proper divisors (32542826).

65085646 is a wasteful number, since it uses less digits than its factorization.

65085646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32542825.

The product of its (nonzero) digits is 172800, while the sum is 40.

The square root of 65085646 is about 8067.5675392277. The cubic root of 65085646 is about 402.2490927527.

The spelling of 65085646 in words is "sixty-five million, eighty-five thousand, six hundred forty-six".