1167490619858 has 4 divisors (see below), whose sum is σ = 1751235929790. Its totient is φ = 583745309928.

The previous prime is 1167490619857. The next prime is 1167490619863. The reversal of 1167490619858 is 8589160947611.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 671470441489 + 496020178369 = 819433^2 + 704287^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1167490619794 and 1167490619803.

It is not an unprimeable number, because it can be changed into a prime (1167490619857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 291872654963 + ... + 291872654966.

Almost surely, 2^{1167490619858} is an apocalyptic number.

1167490619858 is a deficient number, since it is larger than the sum of its proper divisors (583745309932).

1167490619858 is an equidigital number, since it uses as much as digits as its factorization.

1167490619858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583745309931.

The product of its (nonzero) digits is 26127360, while the sum is 65.

The spelling of 1167490619858 in words is "one trillion, one hundred sixty-seven billion, four hundred ninety million, six hundred nineteen thousand, eight hundred fifty-eight".