19160797 has 6 divisors (see below), whose sum is σ = 20222718. Its totient is φ = 18151992.

The previous prime is 19160777. The next prime is 19160803. The reversal of 19160797 is 79706191.

It can be written as a sum of positive squares in only one way, i.e., 10929636 + 8231161 = 3306^2 + 2869^2 .

It is a de Polignac number, because none of the positive numbers 2^k-19160797 is a prime.

It is a super-2 number, since 2×19160797² = 734272283350418, 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 (19160707) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26178 + ... + 26899.

It is an arithmetic number, because the mean of its divisors is an integer number (3370453).

Almost surely, 2^19160797 is an apocalyptic number.

It is an amenable number.

19160797 is a deficient number, since it is larger than the sum of its proper divisors (1061921).

19160797 is an equidigital number, since it uses as much as digits as its factorization.

19160797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53115 (or 53096 counting only the distinct ones).

The product of its (nonzero) digits is 23814, while the sum is 40.

The square root of 19160797 is about 4377.3047643499. The cubic root of 19160797 is about 267.5908073805.

The spelling of 19160797 in words is "nineteen million, one hundred sixty thousand, seven hundred ninety-seven".