65128002 has 16 divisors (see below), whose sum is σ = 131410080. Its totient is φ = 21516992.

The previous prime is 65127989. The next prime is 65128009. The reversal of 65128002 is 20082156.

It is not an unprimeable number, because it can be changed into a prime (65128009) 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, 47352 + ... + 48707.

It is an arithmetic number, because the mean of its divisors is an integer number (8213130).

Almost surely, 2^65128002 is an apocalyptic number.

65128002 is an abundant number, since it is smaller than the sum of its proper divisors (66282078).

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

65128002 is a wasteful number, since it uses less digits than its factorization.

65128002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96177.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 65128002 is about 8070.1921910200. The cubic root of 65128002 is about 402.3363314864.

The spelling of 65128002 in words is "sixty-five million, one hundred twenty-eight thousand, two".