1466216725 has 12 divisors (see below), whose sum is σ = 1818583876. Its totient is φ = 1172666880.

The previous prime is 1466216707. The next prime is 1466216737. The reversal of 1466216725 is 5276126641.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 264485169 + 1201731556 = 16263^2 + 34666^2 .

It is not a de Polignac number, because 1466216725 - 2¹³ = 1466208533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 180859 + ... + 188791.

Almost surely, 2^1466216725 is an apocalyptic number.

It is an amenable number.

1466216725 is a deficient number, since it is larger than the sum of its proper divisors (352367151).

1466216725 is an equidigital number, since it uses as much as digits as its factorization.

1466216725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15336 (or 15331 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The square root of 1466216725 is about 38291.2095003540. The cubic root of 1466216725 is about 1136.0550844169.

The spelling of 1466216725 in words is "one billion, four hundred sixty-six million, two hundred sixteen thousand, seven hundred twenty-five".