1166264572 has 24 divisors (see below), whose sum is σ = 2229604272. Its totient is φ = 529382400.

The previous prime is 1166264569. The next prime is 1166264579. The reversal of 1166264572 is 2754626611.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166264579) 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, 14172 + ... + 50332.

It is an arithmetic number, because the mean of its divisors is an integer number (92900178).

Almost surely, 2^1166264572 is an apocalyptic number.

It is an amenable number.

1166264572 is a deficient number, since it is larger than the sum of its proper divisors (1063339700).

1166264572 is a wasteful number, since it uses less digits than its factorization.

1166264572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36909 (or 36907 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The square root of 1166264572 is about 34150.6159827316. The cubic root of 1166264572 is about 1052.6056440693.

The spelling of 1166264572 in words is "one billion, one hundred sixty-six million, two hundred sixty-four thousand, five hundred seventy-two".