60188662661 has 4 divisors (see below), whose sum is σ = 60202462272. Its totient is φ = 60174863052.

The previous prime is 60188662643. The next prime is 60188662759. The reversal of 60188662661 is 16626688106.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-60188662661 is a prime.

It is a super-2 number, since 2×60188662661² (a number of 22 digits) 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 (60188662361) 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, 6893261 + ... + 6901986.

It is an arithmetic number, because the mean of its divisors is an integer number (15050615568).

Almost surely, 2^60188662661 is an apocalyptic number.

It is an amenable number.

60188662661 is a deficient number, since it is larger than the sum of its proper divisors (13799611).

60188662661 is a wasteful number, since it uses less digits than its factorization.

60188662661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13799610.

The product of its (nonzero) digits is 995328, while the sum is 50.

The spelling of 60188662661 in words is "sixty billion, one hundred eighty-eight million, six hundred sixty-two thousand, six hundred sixty-one".