60001010661 has 4 divisors (see below), whose sum is σ = 80001347552. Its totient is φ = 40000673772.

The previous prime is 60001010653. The next prime is 60001010677. The reversal of 60001010661 is 16601010006.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 60001010661 - 2³ = 60001010653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60001010161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10000168441 + ... + 10000168446.

It is an arithmetic number, because the mean of its divisors is an integer number (20000336888).

Almost surely, 2^60001010661 is an apocalyptic number.

It is an amenable number.

60001010661 is a deficient number, since it is larger than the sum of its proper divisors (20000336891).

60001010661 is a wasteful number, since it uses less digits than its factorization.

60001010661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20000336890.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 60001010661 its reverse (16601010006), we get a palindrome (76602020667).

The spelling of 60001010661 in words is "sixty billion, one million, ten thousand, six hundred sixty-one".