101806365687 has 32 divisors (see below), whose sum is σ = 153968102400. Its totient is φ = 59317702272.

The previous prime is 101806365671. The next prime is 101806365697. The reversal of 101806365687 is 786563608101.

It is not a de Polignac number, because 101806365687 - 2⁴ = 101806365671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101806365637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1244514 + ... + 1323792.

It is an arithmetic number, because the mean of its divisors is an integer number (4811503200).

Almost surely, 2^101806365687 is an apocalyptic number.

101806365687 is a deficient number, since it is larger than the sum of its proper divisors (52161736713).

101806365687 is a wasteful number, since it uses less digits than its factorization.

101806365687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81047.

The product of its (nonzero) digits is 1451520, while the sum is 51.

The spelling of 101806365687 in words is "one hundred one billion, eight hundred six million, three hundred sixty-five thousand, six hundred eighty-seven".