10206620001651 has 4 divisors (see below), whose sum is σ = 13608826668872. Its totient is φ = 6804413334432.

The previous prime is 10206620001649. The next prime is 10206620001659. The reversal of 10206620001651 is 15610002660201.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 10206620001651 - 2¹ = 10206620001649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10206620001659) 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 3 ways as a sum of consecutive naturals, for example, 1701103333606 + ... + 1701103333611.

It is an arithmetic number, because the mean of its divisors is an integer number (3402206667218).

Almost surely, 2^{10206620001651} is an apocalyptic number.

10206620001651 is a deficient number, since it is larger than the sum of its proper divisors (3402206667221).

10206620001651 is an equidigital number, since it uses as much as digits as its factorization.

10206620001651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3402206667220.

The product of its (nonzero) digits is 4320, while the sum is 30.

Adding to 10206620001651 its reverse (15610002660201), we get a palindrome (25816622661852).

The spelling of 10206620001651 in words is "ten trillion, two hundred six billion, six hundred twenty million, one thousand, six hundred fifty-one".