1691132416670 has 16 divisors (see below), whose sum is σ = 3052661694480. Its totient is φ = 674536667904.

The previous prime is 1691132416661. The next prime is 1691132416703. The reversal of 1691132416670 is 766142311961.

It is a super-2 number, since 2×1691132416670² (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 7 ways as a sum of consecutive naturals, for example, 239533640 + ... + 239540699.

It is an arithmetic number, because the mean of its divisors is an integer number (190791355905).

Almost surely, 2^{1691132416670} is an apocalyptic number.

1691132416670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1691132416670 is a deficient number, since it is larger than the sum of its proper divisors (1361529277810).

1691132416670 is a wasteful number, since it uses less digits than its factorization.

1691132416670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479074699.

The product of its (nonzero) digits is 326592, while the sum is 47.

The spelling of 1691132416670 in words is "one trillion, six hundred ninety-one billion, one hundred thirty-two million, four hundred sixteen thousand, six hundred seventy".