101606065505 has 32 divisors (see below), whose sum is σ = 141671289600. Its totient is φ = 68510488320.

The previous prime is 101606065471. The next prime is 101606065513. The reversal of 101606065505 is 505560606101.

It is not a de Polignac number, because 101606065505 - 2¹⁴ = 101606049121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon 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, 12778271 + ... + 12786219.

It is an arithmetic number, because the mean of its divisors is an integer number (4427227800).

Almost surely, 2^101606065505 is an apocalyptic number.

It is an amenable number.

101606065505 is a deficient number, since it is larger than the sum of its proper divisors (40065224095).

101606065505 is an equidigital number, since it uses as much as digits as its factorization.

101606065505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14009.

The product of its (nonzero) digits is 27000, while the sum is 35.

The spelling of 101606065505 in words is "one hundred one billion, six hundred six million, sixty-five thousand, five hundred five".