1063496191 has 4 divisors (see below), whose sum is σ = 1063820512. Its totient is φ = 1063171872.

The previous prime is 1063496179. The next prime is 1063496197. The reversal of 1063496191 is 1916943601.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1916943601 = 17939 ⋅106859.

It is a cyclic number.

It is not a de Polignac number, because 1063496191 - 2²¹ = 1061399039 is a prime.

It is a super-2 number, since 2×1063496191² = 2262048296543016962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1063496197) 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, 157191 + ... + 163816.

It is an arithmetic number, because the mean of its divisors is an integer number (265955128).

Almost surely, 2^1063496191 is an apocalyptic number.

1063496191 is a deficient number, since it is larger than the sum of its proper divisors (324321).

1063496191 is an equidigital number, since it uses as much as digits as its factorization.

1063496191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324320.

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 1063496191 is about 32611.2893182714. The cubic root of 1063496191 is about 1020.7325862994.

The spelling of 1063496191 in words is "one billion, sixty-three million, four hundred ninety-six thousand, one hundred ninety-one".