1164978552 has 32 divisors (see below), whose sum is σ = 2932002000. Its totient is φ = 385718784.

The previous prime is 1164978547. The next prime is 1164978553. The reversal of 1164978552 is 2558794611.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1164978553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159313 + ... + 166464.

Almost surely, 2^1164978552 is an apocalyptic number.

1164978552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1164978552 is an abundant number, since it is smaller than the sum of its proper divisors (1767023448).

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

1164978552 is a wasteful number, since it uses less digits than its factorization.

1164978552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325935 (or 325931 counting only the distinct ones).

The product of its digits is 604800, while the sum is 48.

The square root of 1164978552 is about 34131.7821392321. The cubic root of 1164978552 is about 1052.2186050260.

The spelling of 1164978552 in words is "one billion, one hundred sixty-four million, nine hundred seventy-eight thousand, five hundred fifty-two".