1691452022612 has 12 divisors (see below), whose sum is σ = 3229135679616. Its totient is φ = 768841828440.

The previous prime is 1691452022609. The next prime is 1691452022633. The reversal of 1691452022612 is 2162202541961.

It is a super-2 number, since 2×1691452022612² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1691452022612.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19221045668 + ... + 19221045755.

It is an arithmetic number, because the mean of its divisors is an integer number (269094639968).

Almost surely, 2^{1691452022612} is an apocalyptic number.

It is an amenable number.

1691452022612 is a deficient number, since it is larger than the sum of its proper divisors (1537683657004).

1691452022612 is a wasteful number, since it uses less digits than its factorization.

1691452022612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38442091438 (or 38442091436 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 1691452022612 in words is "one trillion, six hundred ninety-one billion, four hundred fifty-two million, twenty-two thousand, six hundred twelve".