1163407775990 has 16 divisors (see below), whose sum is σ = 2204351575920. Its totient is φ = 440870315040.

The previous prime is 1163407775977. The next prime is 1163407776053. The reversal of 1163407775990 is 995777043611.

It is a happy number.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 3061599221 + ... + 3061599600.

It is an arithmetic number, because the mean of its divisors is an integer number (137771973495).

Almost surely, 2^{1163407775990} is an apocalyptic number.

1163407775990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1163407775990 is a deficient number, since it is larger than the sum of its proper divisors (1040943799930).

1163407775990 is a wasteful number, since it uses less digits than its factorization.

1163407775990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6123198847.

The product of its (nonzero) digits is 10001880, while the sum is 59.

The spelling of 1163407775990 in words is "one trillion, one hundred sixty-three billion, four hundred seven million, seven hundred seventy-five thousand, nine hundred ninety".