1466398566 has 24 divisors (see below), whose sum is σ = 3294871944. Its totient is φ = 488799360.

The previous prime is 1466398561. The next prime is 1466398573. The reversal of 1466398566 is 6658936641.

1466398566 is a `hidden beast` number, since 1 + 46 + 6 + 39 + 8 + 566 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1466398561) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1508155 + ... + 1509126.

It is an arithmetic number, because the mean of its divisors is an integer number (137286331).

Almost surely, 2^1466398566 is an apocalyptic number.

1466398566 is an abundant number, since it is smaller than the sum of its proper divisors (1828473378).

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

1466398566 is an equidigital number, since it uses as much as digits as its factorization.

1466398566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3017298 (or 3017286 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 54.

The square root of 1466398566 is about 38293.5838751089. The cubic root of 1466398566 is about 1136.1020471998.

The spelling of 1466398566 in words is "one billion, four hundred sixty-six million, three hundred ninety-eight thousand, five hundred sixty-six".