691101960192 has 384 divisors, whose sum is σ = 2345778489600. Its totient is φ = 196942233600.

The previous prime is 691101960169. The next prime is 691101960217. The reversal of 691101960192 is 291069101196.

It is a tau number, because it is divible by the number of its divisors (384).

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, 162955192 + ... + 162959432.

It is an arithmetic number, because the mean of its divisors is an integer number (6108798150).

Almost surely, 2^691101960192 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 691101960192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1172889244800).

691101960192 is an abundant number, since it is smaller than the sum of its proper divisors (1654676529408).

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

691101960192 is a wasteful number, since it uses less digits than its factorization.

691101960192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4700 (or 4674 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 45.

The spelling of 691101960192 in words is "six hundred ninety-one billion, one hundred one million, nine hundred sixty thousand, one hundred ninety-two".