1490186491165 has 8 divisors (see below), whose sum is σ = 1793936966328. Its totient is φ = 1188340408320.

The previous prime is 1490186491153. The next prime is 1490186491169. The reversal of 1490186491165 is 5611946810941.

It can be written as a sum of positive squares in 4 ways, for example, as 6969411289 + 1483217079876 = 83483^2 + 1217874^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1490186491165 - 2⁷ = 1490186491037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490186491169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 476096356 + ... + 476099485.

It is an arithmetic number, because the mean of its divisors is an integer number (224242120791).

Almost surely, 2^{1490186491165} is an apocalyptic number.

It is an amenable number.

1490186491165 is a deficient number, since it is larger than the sum of its proper divisors (303750475163).

1490186491165 is an equidigital number, since it uses as much as digits as its factorization.

1490186491165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952196159.

The product of its (nonzero) digits is 1866240, while the sum is 55.

The spelling of 1490186491165 in words is "one trillion, four hundred ninety billion, one hundred eighty-six million, four hundred ninety-one thousand, one hundred sixty-five".