60166661 has 4 divisors (see below), whose sum is σ = 60191424. Its totient is φ = 60141900.

The previous prime is 60166651. The next prime is 60166663. The reversal of 60166661 is 16666106.

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-60166661 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 (60166663) 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, 8285 + ... + 13746.

It is an arithmetic number, because the mean of its divisors is an integer number (15047856).

Almost surely, 2^60166661 is an apocalyptic number.

It is an amenable number.

60166661 is a deficient number, since it is larger than the sum of its proper divisors (24763).

60166661 is a wasteful number, since it uses less digits than its factorization.

60166661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24762.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 60166661 is about 7756.7171535386. The cubic root of 60166661 is about 391.8489044398.

The spelling of 60166661 in words is "sixty million, one hundred sixty-six thousand, six hundred sixty-one".