1691227924230 has 32 divisors (see below), whose sum is σ = 4371173712864. Its totient is φ = 416302258176.

The previous prime is 1691227924213. The next prime is 1691227924261. The reversal of 1691227924230 is 324297221961.

It is a self number, because there is not a number n which added to its sum of digits gives 1691227924230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2168240539 + ... + 2168241318.

It is an arithmetic number, because the mean of its divisors is an integer number (136599178527).

Almost surely, 2^{1691227924230} is an apocalyptic number.

1691227924230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1691227924230 is an abundant number, since it is smaller than the sum of its proper divisors (2679945788634).

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

1691227924230 is a wasteful number, since it uses less digits than its factorization.

1691227924230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4336481880.

The product of its (nonzero) digits is 653184, while the sum is 48.

The spelling of 1691227924230 in words is "one trillion, six hundred ninety-one billion, two hundred twenty-seven million, nine hundred twenty-four thousand, two hundred thirty".