1166392420 has 48 divisors (see below), whose sum is σ = 2508081408. Its totient is φ = 455436800.

The previous prime is 1166392411. The next prime is 1166392421. The reversal of 1166392420 is 242936611.

It is a happy number.

1166392420 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1166392421) 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, 415020 + ... + 417820.

It is an arithmetic number, because the mean of its divisors is an integer number (52251696).

Almost surely, 2^1166392420 is an apocalyptic number.

1166392420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1166392420 is an abundant number, since it is smaller than the sum of its proper divisors (1341688988).

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

1166392420 is a wasteful number, since it uses less digits than its factorization.

1166392420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3300 (or 3298 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 1166392420 is about 34152.4877571166. The cubic root of 1166392420 is about 1052.6441054992.

The spelling of 1166392420 in words is "one billion, one hundred sixty-six million, three hundred ninety-two thousand, four hundred twenty".