1460291661 has 6 divisors (see below), whose sum is σ = 2109310190. Its totient is φ = 973527768.

The previous prime is 1460291621. The next prime is 1460291699. The reversal of 1460291661 is 1661920641.

It can be written as a sum of positive squares in only one way, i.e., 1355638761 + 104652900 = 36819^2 + 10230^2 .

It is not a de Polignac number, because 1460291661 - 2⁷ = 1460291533 is a prime.

It is a super-2 number, since 2×1460291661² = 4264903470372277842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1460291621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 81127306 + ... + 81127323.

Almost surely, 2^1460291661 is an apocalyptic number.

It is an amenable number.

1460291661 is a deficient number, since it is larger than the sum of its proper divisors (649018529).

1460291661 is a wasteful number, since it uses less digits than its factorization.

1460291661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162254635 (or 162254632 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 1460291661 is about 38213.7627171154. The cubic root of 1460291661 is about 1134.5227310184.

The spelling of 1460291661 in words is "one billion, four hundred sixty million, two hundred ninety-one thousand, six hundred sixty-one".