1466015561 has 16 divisors (see below), whose sum is σ = 1555138560. Its totient is φ = 1379149200.

The previous prime is 1466015533. The next prime is 1466015599. The reversal of 1466015561 is 1655106641.

It is a cyclic number.

It is not a de Polignac number, because 1466015561 - 2¹⁴ = 1465999177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1466015531) 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 15 ways as a sum of consecutive naturals, for example, 512786 + ... + 515636.

It is an arithmetic number, because the mean of its divisors is an integer number (97196160).

Almost surely, 2^1466015561 is an apocalyptic number.

It is an amenable number.

1466015561 is a deficient number, since it is larger than the sum of its proper divisors (89122999).

1466015561 is a wasteful number, since it uses less digits than its factorization.

1466015561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3236.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 1466015561 is about 38288.5826454832. The cubic root of 1466015561 is about 1136.0031266962.

The spelling of 1466015561 in words is "one billion, four hundred sixty-six million, fifteen thousand, five hundred sixty-one".