1587157161746 has 8 divisors (see below), whose sum is σ = 2563869261324. Its totient is φ = 732534074640.

The previous prime is 1587157161739. The next prime is 1587157161749. The reversal of 1587157161746 is 6471617517851.

It can be written as a sum of positive squares in 2 ways, for example, as 1370629806121 + 216527355625 = 1170739^2 + 465325^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1587157161749) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 30522253085 + ... + 30522253136.

Almost surely, 2^{1587157161746} is an apocalyptic number.

1587157161746 is a deficient number, since it is larger than the sum of its proper divisors (976712099578).

1587157161746 is a wasteful number, since it uses less digits than its factorization.

1587157161746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61044506236.

The product of its digits is 9878400, while the sum is 59.

The spelling of 1587157161746 in words is "one trillion, five hundred eighty-seven billion, one hundred fifty-seven million, one hundred sixty-one thousand, seven hundred forty-six".