65332633870 has 64 divisors (see below), whose sum is σ = 142346989440. Its totient is φ = 21075812352.

The previous prime is 65332633859. The next prime is 65332633871. The reversal of 65332633870 is 7833623356.

It is a self number, because there is not a number n which added to its sum of digits gives 65332633870.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65332633871) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5535936 + ... + 5547724.

It is an arithmetic number, because the mean of its divisors is an integer number (2224171710).

Almost surely, 2^65332633870 is an apocalyptic number.

65332633870 is an abundant number, since it is smaller than the sum of its proper divisors (77014355570).

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

65332633870 is a wasteful number, since it uses less digits than its factorization.

65332633870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16477.

The product of its (nonzero) digits is 1632960, while the sum is 46.

The spelling of 65332633870 in words is "sixty-five billion, three hundred thirty-two million, six hundred thirty-three thousand, eight hundred seventy".