65153890 has 16 divisors (see below), whose sum is σ = 117593280. Its totient is φ = 25991280.

The previous prime is 65153873. The next prime is 65153897. The reversal of 65153890 is 9835156.

65153890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (65153897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4806 + ... + 12385.

It is an arithmetic number, because the mean of its divisors is an integer number (7349580).

Almost surely, 2^65153890 is an apocalyptic number.

65153890 is a deficient number, since it is larger than the sum of its proper divisors (52439390).

65153890 is a wasteful number, since it uses less digits than its factorization.

65153890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17577.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 65153890 is about 8071.7959587690. The cubic root of 65153890 is about 402.3896332045.

The spelling of 65153890 in words is "sixty-five million, one hundred fifty-three thousand, eight hundred ninety".