1464542661 has 8 divisors (see below), whose sum is σ = 1952929440. Its totient is φ = 976258832.

The previous prime is 1464542657. The next prime is 1464542669. The reversal of 1464542661 is 1662454641.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1464542661 - 2² = 1464542657 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1464542669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18151 + ... + 57083.

It is an arithmetic number, because the mean of its divisors is an integer number (244116180).

Almost surely, 2^1464542661 is an apocalyptic number.

It is an amenable number.

1464542661 is a deficient number, since it is larger than the sum of its proper divisors (488386779).

1464542661 is a wasteful number, since it uses less digits than its factorization.

1464542661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51475.

The product of its digits is 138240, while the sum is 39.

The square root of 1464542661 is about 38269.3436186199. The cubic root of 1464542661 is about 1135.6225532740.

The spelling of 1464542661 in words is "one billion, four hundred sixty-four million, five hundred forty-two thousand, six hundred sixty-one".