1164443672 has 16 divisors (see below), whose sum is σ = 2495236560. Its totient is φ = 499047264.

The previous prime is 1164443653. The next prime is 1164443677. The reversal of 1164443672 is 2763444611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1164443677) 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, 10396763 + ... + 10396874.

It is an arithmetic number, because the mean of its divisors is an integer number (155952285).

Almost surely, 2^1164443672 is an apocalyptic number.

It is an amenable number.

1164443672 is an abundant number, since it is smaller than the sum of its proper divisors (1330792888).

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

1164443672 is a wasteful number, since it uses less digits than its factorization.

1164443672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20793650 (or 20793646 counting only the distinct ones).

The product of its digits is 96768, while the sum is 38.

The square root of 1164443672 is about 34123.9457273042. The cubic root of 1164443672 is about 1052.0575443085.

The spelling of 1164443672 in words is "one billion, one hundred sixty-four million, four hundred forty-three thousand, six hundred seventy-two".