1691059496208 has 160 divisors (see below), whose sum is σ = 4450000896000. Its totient is φ = 553304360448.

The previous prime is 1691059496197. The next prime is 1691059496251. The reversal of 1691059496208 is 8026949501961.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 238880413 + ... + 238887491.

It is an arithmetic number, because the mean of its divisors is an integer number (27812505600).

Almost surely, 2^{1691059496208} is an apocalyptic number.

It is an amenable number.

1691059496208 is an abundant number, since it is smaller than the sum of its proper divisors (2758941399792).

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

1691059496208 is a wasteful number, since it uses less digits than its factorization.

1691059496208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7629 (or 7623 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 60.

The spelling of 1691059496208 in words is "one trillion, six hundred ninety-one billion, fifty-nine million, four hundred ninety-six thousand, two hundred eight".