1466012621 has 4 divisors (see below), whose sum is σ = 1543171200. Its totient is φ = 1388854044.

The previous prime is 1466012593. The next prime is 1466012623. The reversal of 1466012621 is 1262106641.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1466012621 - 2¹⁴ = 1465996237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1466012623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38579261 + ... + 38579298.

It is an arithmetic number, because the mean of its divisors is an integer number (385792800).

Almost surely, 2^1466012621 is an apocalyptic number.

It is an amenable number.

1466012621 is a deficient number, since it is larger than the sum of its proper divisors (77158579).

1466012621 is an equidigital number, since it uses as much as digits as its factorization.

1466012621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77158578.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 1466012621 is about 38288.5442528180. The cubic root of 1466012621 is about 1136.0023673019.

The spelling of 1466012621 in words is "one billion, four hundred sixty-six million, twelve thousand, six hundred twenty-one".