1165414980 has 96 divisors (see below), whose sum is σ = 3303336960. Its totient is φ = 306979200.

The previous prime is 1165414979. The next prime is 1165414981. The reversal of 1165414980 is 894145611.

It is an interprime number because it is at equal distance from previous prime (1165414979) and next prime (1165414981).

It is not an unprimeable number, because it can be changed into a prime (1165414981) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2781211 + ... + 2781629.

It is an arithmetic number, because the mean of its divisors is an integer number (34409760).

Almost surely, 2^1165414980 is an apocalyptic number.

1165414980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1165414980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1651668480).

1165414980 is an abundant number, since it is smaller than the sum of its proper divisors (2137921980).

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

1165414980 is a wasteful number, since it uses less digits than its factorization.

1165414980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889 (or 887 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 1165414980 is about 34138.1748194012. The cubic root of 1165414980 is about 1052.3499837906.

The spelling of 1165414980 in words is "one billion, one hundred sixty-five million, four hundred fourteen thousand, nine hundred eighty".