1622735352561 has 8 divisors (see below), whose sum is σ = 2277523301920. Its totient is φ = 1024885485792.

The previous prime is 1622735352527. The next prime is 1622735352611. The reversal of 1622735352561 is 1652535372261.

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

It is not a de Polignac number, because 1622735352561 - 2¹⁷ = 1622735221489 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1622735352561.

It is not an unprimeable number, because it can be changed into a prime (1622735352661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14234520580 + ... + 14234520693.

It is an arithmetic number, because the mean of its divisors is an integer number (284690412740).

Almost surely, 2^{1622735352561} is an apocalyptic number.

It is an amenable number.

1622735352561 is a deficient number, since it is larger than the sum of its proper divisors (654787949359).

1622735352561 is a wasteful number, since it uses less digits than its factorization.

1622735352561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28469041295.

The product of its digits is 2268000, while the sum is 48.

The spelling of 1622735352561 in words is "one trillion, six hundred twenty-two billion, seven hundred thirty-five million, three hundred fifty-two thousand, five hundred sixty-one".