1161670775320 has 48 divisors (see below), whose sum is σ = 2872975049280. Its totient is φ = 422425734720.

The previous prime is 1161670775249. The next prime is 1161670775339. The reversal of 1161670775320 is 235770761611.

It is a super-2 number, since 2×1161670775320² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120002472 + ... + 120012151.

It is an arithmetic number, because the mean of its divisors is an integer number (59853646860).

Almost surely, 2^{1161670775320} is an apocalyptic number.

1161670775320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1161670775320 is an abundant number, since it is smaller than the sum of its proper divisors (1711304273960).

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

1161670775320 is a wasteful number, since it uses less digits than its factorization.

1161670775320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240014656 (or 240014641 counting only the distinct ones).

The product of its (nonzero) digits is 370440, while the sum is 46.

The spelling of 1161670775320 in words is "one trillion, one hundred sixty-one billion, six hundred seventy million, seven hundred seventy-five thousand, three hundred twenty".