1166526772 has 12 divisors (see below), whose sum is σ = 2045796480. Its totient is φ = 582013496.

The previous prime is 1166526761. The next prime is 1166526773. The reversal of 1166526772 is 2776256611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166526773) 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, 310372 + ... + 314107.

It is an arithmetic number, because the mean of its divisors is an integer number (170483040).

Almost surely, 2^1166526772 is an apocalyptic number.

It is an amenable number.

1166526772 is a deficient number, since it is larger than the sum of its proper divisors (879269708).

1166526772 is a wasteful number, since it uses less digits than its factorization.

1166526772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624950 (or 624948 counting only the distinct ones).

The product of its digits is 211680, while the sum is 43.

The square root of 1166526772 is about 34154.4546435747. The cubic root of 1166526772 is about 1052.6845205455.

The spelling of 1166526772 in words is "one billion, one hundred sixty-six million, five hundred twenty-six thousand, seven hundred seventy-two".