1691452022622 has 8 divisors (see below), whose sum is σ = 3382904045256. Its totient is φ = 563817340872.

The previous prime is 1691452022609. The next prime is 1691452022633. The reversal of 1691452022622 is 2262202541961.

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

1691452022622 is an admirable number.

It is a super-2 number, since 2×1691452022622² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 140954335213 + ... + 140954335224.

It is an arithmetic number, because the mean of its divisors is an integer number (422863005657).

Almost surely, 2^{1691452022622} is an apocalyptic number.

1691452022622 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1691452022622 is a wasteful number, since it uses less digits than its factorization.

1691452022622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281908670442.

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 1691452022622 in words is "one trillion, six hundred ninety-one billion, four hundred fifty-two million, twenty-two thousand, six hundred twenty-two".