1667123496 has 96 divisors (see below), whose sum is σ = 4808966760. Its totient is φ = 519929856.

The previous prime is 1667123443. The next prime is 1667123501. The reversal of 1667123496 is 6943217661.

It can be written as a sum of positive squares in 4 ways, for example, as 1512120996 + 155002500 = 38886^2 + 12450^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 207816 + ... + 215688.

Almost surely, 2^1667123496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1667123496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2404483380).

1667123496 is an abundant number, since it is smaller than the sum of its proper divisors (3141843264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1667123496 is a wasteful number, since it uses less digits than its factorization.

1667123496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8075 (or 8068 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 1667123496 is about 40830.4236568763. The cubic root of 1667123496 is about 1185.7394178140.

The spelling of 1667123496 in words is "one billion, six hundred sixty-seven million, one hundred twenty-three thousand, four hundred ninety-six".