1165247650 has 48 divisors (see below), whose sum is σ = 2479752000. Its totient is φ = 399067200.

The previous prime is 1165247639. The next prime is 1165247651. The reversal of 1165247650 is 567425611.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1165247651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 523540 + ... + 525760.

It is an arithmetic number, because the mean of its divisors is an integer number (51661500).

Almost surely, 2^1165247650 is an apocalyptic number.

1165247650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1165247650 is an abundant number, since it is smaller than the sum of its proper divisors (1314504350).

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

1165247650 is a wasteful number, since it uses less digits than its factorization.

1165247650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3739 (or 3734 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 1165247650 is about 34135.7239559966. The cubic root of 1165247650 is about 1052.2996159948.

The spelling of 1165247650 in words is "one billion, one hundred sixty-five million, two hundred forty-seven thousand, six hundred fifty".