1166524420 has 48 divisors (see below), whose sum is σ = 2615961600. Its totient is φ = 435980160.

The previous prime is 1166524417. The next prime is 1166524423. The reversal of 1166524420 is 244256611.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1166524417) and next prime (1166524423).

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (1166524423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14460 + ... + 50419.

It is an arithmetic number, because the mean of its divisors is an integer number (54499200).

Almost surely, 2^1166524420 is an apocalyptic number.

1166524420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1166524420 is an abundant number, since it is smaller than the sum of its proper divisors (1449437180).

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

1166524420 is a wasteful number, since it uses less digits than its factorization.

1166524420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64948 (or 64946 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 1166524420 is about 34154.4202117383. The cubic root of 1166524420 is about 1052.6838130562.

The spelling of 1166524420 in words is "one billion, one hundred sixty-six million, five hundred twenty-four thousand, four hundred twenty".