1665316350 has 72 divisors (see below), whose sum is σ = 4595118840. Its totient is φ = 432077760.

The previous prime is 1665316349. The next prime is 1665316421. The reversal of 1665316350 is 536135661.

1665316350 is a `hidden beast` number, since 1 + 66 + 531 + 63 + 5 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 33360 + ... + 66659.

It is an arithmetic number, because the mean of its divisors is an integer number (63821095).

Almost surely, 2^1665316350 is an apocalyptic number.

1665316350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1665316350 is an abundant number, since it is smaller than the sum of its proper divisors (2929802490).

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

1665316350 is a wasteful number, since it uses less digits than its factorization.

1665316350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100074 (or 100066 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

The square root of 1665316350 is about 40808.2877611889. The cubic root of 1665316350 is about 1185.3108194973.

The spelling of 1665316350 in words is "one billion, six hundred sixty-five million, three hundred sixteen thousand, three hundred fifty".