65655510061630 has 64 divisors (see below), whose sum is σ = 120787727404608. Its totient is φ = 25685928253440.

The previous prime is 65655510061591. The next prime is 65655510061649. The reversal of 65655510061630 is 3616001555656.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 217023232 + ... + 217325548.

It is an arithmetic number, because the mean of its divisors is an integer number (1887308240697).

Almost surely, 2^{65655510061630} is an apocalyptic number.

65655510061630 is a deficient number, since it is larger than the sum of its proper divisors (55132217342978).

65655510061630 is a wasteful number, since it uses less digits than its factorization.

65655510061630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303661.

The product of its (nonzero) digits is 2430000, while the sum is 49.

The spelling of 65655510061630 in words is "sixty-five trillion, six hundred fifty-five billion, five hundred ten million, sixty-one thousand, six hundred thirty".