1161466520 has 32 divisors (see below), whose sum is σ = 2767024800. Its totient is φ = 437257728.

The previous prime is 1161466511. The next prime is 1161466541. The reversal of 1161466520 is 256641611.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 853340 + ... + 854699.

It is an arithmetic number, because the mean of its divisors is an integer number (86469525).

Almost surely, 2^1161466520 is an apocalyptic number.

1161466520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1161466520 is an abundant number, since it is smaller than the sum of its proper divisors (1605558280).

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

1161466520 is a wasteful number, since it uses less digits than its factorization.

1161466520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1708067 (or 1708063 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 1161466520 is about 34080.2951865150. The cubic root of 1161466520 is about 1051.1601749116.

The spelling of 1161466520 in words is "one billion, one hundred sixty-one million, four hundred sixty-six thousand, five hundred twenty".