1190975664 has 80 divisors (see below), whose sum is σ = 3267112320. Its totient is φ = 372556800.

The previous prime is 1190975663. The next prime is 1190975693. The reversal of 1190975664 is 4665790911.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (1190975663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 307339 + ... + 311189.

It is an arithmetic number, because the mean of its divisors is an integer number (40838904).

Almost surely, 2^1190975664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1190975664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1633556160).

1190975664 is an abundant number, since it is smaller than the sum of its proper divisors (2076136656).

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

1190975664 is a wasteful number, since it uses less digits than its factorization.

1190975664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4258 (or 4252 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 48.

The square root of 1190975664 is about 34510.5152670892. The cubic root of 1190975664 is about 1059.9880335661.

The spelling of 1190975664 in words is "one billion, one hundred ninety million, nine hundred seventy-five thousand, six hundred sixty-four".