1166752057 has 8 divisors (see below), whose sum is σ = 1228844160. Its totient is φ = 1104728400.

The previous prime is 1166752049. The next prime is 1166752121. The reversal of 1166752057 is 7502576611.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1166752057 - 2³ = 1166752049 is a prime.

It is a super-2 number, since 2×1166752057² = 2722620725027462498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1166752757) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19968 + ... + 52270.

It is an arithmetic number, because the mean of its divisors is an integer number (153605520).

Almost surely, 2^1166752057 is an apocalyptic number.

It is an amenable number.

1166752057 is a deficient number, since it is larger than the sum of its proper divisors (62092103).

1166752057 is a wasteful number, since it uses less digits than its factorization.

1166752057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34223.

The product of its (nonzero) digits is 88200, while the sum is 40.

The square root of 1166752057 is about 34157.7525168153. The cubic root of 1166752057 is about 1052.7522826043.

The spelling of 1166752057 in words is "one billion, one hundred sixty-six million, seven hundred fifty-two thousand, fifty-seven".