1466545637 has 2 divisors, whose sum is σ = 1466545638. Its totient is φ = 1466545636.

The previous prime is 1466545607. The next prime is 1466545657. The reversal of 1466545637 is 7365456641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1401678721 + 64866916 = 37439^2 + 8054^2 .

It is an emirp because it is prime and its reverse (7365456641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1466545637 - 2¹² = 1466541541 is a prime.

It is a super-2 number, since 2×1466545637² = 4301512210807471538, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1466545591 and 1466545600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1466545607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 733272818 + 733272819.

It is an arithmetic number, because the mean of its divisors is an integer number (733272819).

Almost surely, 2^1466545637 is an apocalyptic number.

It is an amenable number.

1466545637 is a deficient number, since it is larger than the sum of its proper divisors (1).

1466545637 is an equidigital number, since it uses as much as digits as its factorization.

1466545637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1814400, while the sum is 47.

The square root of 1466545637 is about 38295.5041356032. The cubic root of 1466545637 is about 1136.1400273420.

The spelling of 1466545637 in words is "one billion, four hundred sixty-six million, five hundred forty-five thousand, six hundred thirty-seven".