65521607011706 has 8 divisors (see below), whose sum is σ = 98331478127424. Its totient is φ = 32744447635900.

The previous prime is 65521607011699. The next prime is 65521607011789. The reversal of 65521607011706 is 60711070612556.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8177929970 + ... + 8177937981.

It is an arithmetic number, because the mean of its divisors is an integer number (12291434765928).

Almost surely, 2^{65521607011706} is an apocalyptic number.

65521607011706 is a deficient number, since it is larger than the sum of its proper divisors (32809871115718).

65521607011706 is a wasteful number, since it uses less digits than its factorization.

65521607011706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16355869956.

The product of its (nonzero) digits is 529200, while the sum is 47.

The spelling of 65521607011706 in words is "sixty-five trillion, five hundred twenty-one billion, six hundred seven million, eleven thousand, seven hundred six".