1165372661730 has 64 divisors (see below), whose sum is σ = 2806564464000. Its totient is φ = 309693296640.

The previous prime is 1165372661711. The next prime is 1165372661743. The reversal of 1165372661730 is 371662735611.

It is a self number, because there is not a number n which added to its sum of digits gives 1165372661730.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11006181 + ... + 11111559.

It is an arithmetic number, because the mean of its divisors is an integer number (43852569750).

Almost surely, 2^{1165372661730} is an apocalyptic number.

1165372661730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1165372661730 is an abundant number, since it is smaller than the sum of its proper divisors (1641191802270).

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

1165372661730 is a wasteful number, since it uses less digits than its factorization.

1165372661730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106659.

The product of its (nonzero) digits is 952560, while the sum is 48.

The spelling of 1165372661730 in words is "one trillion, one hundred sixty-five billion, three hundred seventy-two million, six hundred sixty-one thousand, seven hundred thirty".