1166751020 has 12 divisors (see below), whose sum is σ = 2450177184. Its totient is φ = 466700400.

The previous prime is 1166751013. The next prime is 1166751029. The reversal of 1166751020 is 201576611.

It is a super-2 number, since 2×1166751020² = 2722615885342080800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1166751029) 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, 29168756 + ... + 29168795.

It is an arithmetic number, because the mean of its divisors is an integer number (204181432).

Almost surely, 2^1166751020 is an apocalyptic number.

1166751020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1166751020 is an abundant number, since it is smaller than the sum of its proper divisors (1283426164).

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

1166751020 is a wasteful number, since it uses less digits than its factorization.

1166751020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58337560 (or 58337558 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 1166751020 is about 34157.7373372418. The cubic root of 1166751020 is about 1052.7519707116.

The spelling of 1166751020 in words is "one billion, one hundred sixty-six million, seven hundred fifty-one thousand, twenty".