19157196 has 12 divisors (see below), whose sum is σ = 44700152. Its totient is φ = 6385728.

The previous prime is 19157191. The next prime is 19157207. The reversal of 19157196 is 69175191.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (19157191) 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, 798205 + ... + 798228.

Almost surely, 2^19157196 is an apocalyptic number.

It is an amenable number.

19157196 is an abundant number, since it is smaller than the sum of its proper divisors (25542956).

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

19157196 is a wasteful number, since it uses less digits than its factorization.

19157196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1596440 (or 1596438 counting only the distinct ones).

The product of its digits is 17010, while the sum is 39.

The square root of 19157196 is about 4376.8934188531. The cubic root of 19157196 is about 267.5740430314.

The spelling of 19157196 in words is "nineteen million, one hundred fifty-seven thousand, one hundred ninety-six".