1490666591231 has 8 divisors (see below), whose sum is σ = 1527603851904. Its totient is φ = 1454161345560.

The previous prime is 1490666591209. The next prime is 1490666591269. The reversal of 1490666591231 is 1321956660941.

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

It is not a de Polignac number, because 1490666591231 - 2¹⁰ = 1490666590207 is a prime.

It is a super-2 number, since 2×1490666591231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490666501231) 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, 107996765 + ... + 108010566.

It is an arithmetic number, because the mean of its divisors is an integer number (190950481488).

Almost surely, 2^{1490666591231} is an apocalyptic number.

1490666591231 is a deficient number, since it is larger than the sum of its proper divisors (36937260673).

1490666591231 is a wasteful number, since it uses less digits than its factorization.

1490666591231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216007501.

The product of its (nonzero) digits is 2099520, while the sum is 53.

The spelling of 1490666591231 in words is "one trillion, four hundred ninety billion, six hundred sixty-six million, five hundred ninety-one thousand, two hundred thirty-one".