65150890 has 24 divisors (see below), whose sum is σ = 136419012. Its totient is φ = 22337280.

The previous prime is 65150879. The next prime is 65150893. The reversal of 65150890 is 9805156.

It can be written as a sum of positive squares in 2 ways, for example, as 64689849 + 461041 = 8043^2 + 679^2 .

It is not an unprimeable number, because it can be changed into a prime (65150893) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65991 + ... + 66970.

Almost surely, 2^65150890 is an apocalyptic number.

65150890 is an abundant number, since it is smaller than the sum of its proper divisors (71268122).

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

65150890 is a wasteful number, since it uses less digits than its factorization.

65150890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132982 (or 132975 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 34.

The square root of 65150890 is about 8071.6101243804. The cubic root of 65150890 is about 402.3834571218.

The spelling of 65150890 in words is "sixty-five million, one hundred fifty thousand, eight hundred ninety".