1164390799872 has 40 divisors (see below), whose sum is σ = 3102009869376. Its totient is φ = 388130266112.

The previous prime is 1164390799853. The next prime is 1164390799877. The reversal of 1164390799872 is 2789970934611.

It is not an unprimeable number, because it can be changed into a prime (1164390799877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 379031928 + ... + 379034999.

Almost surely, 2^{1164390799872} is an apocalyptic number.

1164390799872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1164390799872 is an abundant number, since it is smaller than the sum of its proper divisors (1937619069504).

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

1164390799872 is an frugal number, since it uses more digits than its factorization.

1164390799872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758066948 (or 758066932 counting only the distinct ones).

The product of its (nonzero) digits is 41150592, while the sum is 66.

The spelling of 1164390799872 in words is "one trillion, one hundred sixty-four billion, three hundred ninety million, seven hundred ninety-nine thousand, eight hundred seventy-two".