1190887164 has 24 divisors (see below), whose sum is σ = 3087485520. Its totient is φ = 396962352.

The previous prime is 1190887141. The next prime is 1190887183. The reversal of 1190887164 is 4617880911.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5513259 + ... + 5513474.

It is an arithmetic number, because the mean of its divisors is an integer number (128645230).

Almost surely, 2^1190887164 is an apocalyptic number.

It is an amenable number.

1190887164 is an abundant number, since it is smaller than the sum of its proper divisors (1896598356).

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

1190887164 is a wasteful number, since it uses less digits than its factorization.

1190887164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11026746 (or 11026738 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 45.

The square root of 1190887164 is about 34509.2330253803. The cubic root of 1190887164 is about 1059.9617774280.

The spelling of 1190887164 in words is "one billion, one hundred ninety million, eight hundred eighty-seven thousand, one hundred sixty-four".