1669740230587 has 16 divisors (see below), whose sum is σ = 1962194911488. Its totient is φ = 1400793432480.

The previous prime is 1669740230563. The next prime is 1669740230603. The reversal of 1669740230587 is 7850320479661.

It is not a de Polignac number, because 1669740230587 - 2¹⁵ = 1669740197819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1669740230087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1093353 + ... + 2129530.

It is an arithmetic number, because the mean of its divisors is an integer number (122637181968).

It is a 1-persistent number, because it is pandigital, but 2⋅1669740230587 = 3339480461174 is not.

Almost surely, 2^{1669740230587} is an apocalyptic number.

1669740230587 is a deficient number, since it is larger than the sum of its proper divisors (292454680901).

1669740230587 is a wasteful number, since it uses less digits than its factorization.

1669740230587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3226530.

The product of its (nonzero) digits is 15240960, while the sum is 58.

The spelling of 1669740230587 in words is "one trillion, six hundred sixty-nine billion, seven hundred forty million, two hundred thirty thousand, five hundred eighty-seven".