996197188901 has 4 divisors (see below), whose sum is σ = 996203145600. Its totient is φ = 996191232204.

The previous prime is 996197188891. The next prime is 996197188939. The reversal of 996197188901 is 109881791699.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 996197188901 - 2⁶ = 996197188837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (996197188501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2720021 + ... + 3064458.

It is an arithmetic number, because the mean of its divisors is an integer number (249050786400).

Almost surely, 2^996197188901 is an apocalyptic number.

It is an amenable number.

996197188901 is a deficient number, since it is larger than the sum of its proper divisors (5956699).

996197188901 is a wasteful number, since it uses less digits than its factorization.

996197188901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5956698.

The product of its (nonzero) digits is 17635968, while the sum is 68.

The spelling of 996197188901 in words is "nine hundred ninety-six billion, one hundred ninety-seven million, one hundred eighty-eight thousand, nine hundred one".